Physics Notes for 9th Class

Physics Notes for 10th Class Chapter-11

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Sounds:

The most interesting and important Subject Physics of 10th Class Chapter-11. Student want to know the important Questions and  physics notes for 10th class , to prepare it according to BISE Punjab. We are providing the Solution of Student Problems.

Here are important MCQs for 10th Class, Physics Chapter # 11

Try and Practice/ Play this MCQs Series again and again to get the grip on this MCQs Chapter#11 of Physics, Sounds, 10th Class.

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Physics Ch-11, 10th

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1 / 64

The method used to absorb undesirable sound by soft and porous surface is called ________

2 / 64

Astronauts in space need to communicate with each other by radio links because______

3 / 64

When the frequency of sound wave is increased, them which of following decrease?

4 / 64

Noise has negative effects on human health it causes except ____________

5 / 64

Sound can travel only in presence of _______

6 / 64

Intensity of loudest audible sound is__________

  • 10-12Wm-2
  • 1 Wm-2
  • 20Wm-2
  • All of these

Which Option is Correct ?

7 / 64

Pitch of sound depends on_____________

8 / 64

Frequency of silent whistle Lies between__________

9 / 64

The range of the frequency which human ear can hear is called___________

10 / 64

For a normal person, audible frequency range for sound wave lie between_________

11 / 64

The Loudness of a sound is most closely related to its_______

12 / 64

The speed of sound in air was first scene measured in ____________

13 / 64

Loudness of sound depends on_________

14 / 64

1 bell is equal to ____________

15 / 64

Such sounds which are unpleasant to our ears are called ____________

16 / 64

The speed of sound in solid is______________ than liquid and air.

17 / 64

Researcher in __________ observed giraffes to stop and wait for the others that were out of sight.

18 / 64

The Level of noise recommended in most of countries is ________

19 / 64

The intensity of sound depends on the ___________ of sound.

20 / 64

How does sound travel from its source to your ear?

21 / 64

The amplitude of 100 dB sound is ___________

22 / 64

Ultrasonics are used to locate under water depth the technique is called_____________

23 / 64

Sound is produced by__________

24 / 64

Powerful ultrasound is now being used to remove blood clot from _________

25 / 64

_____________waves carry more energy and higher frequency than sound waves.

26 / 64

For hearing distinct echoes, the minimum distance of obstacle from source of source of sound must be__________

27 / 64

Mice can hear frequencies up to ___________

28 / 64

Intensity of faintest sound is __________

  • 1012 Wm-2
  • 10-12 Wm-2
  • 10-8Wm-2
  • 10-9Wm-2

Which Option is Correct ?

29 / 64

Intensity is a ____________quantity.

30 / 64

Refractions are places where air is slightly _____________ than the surrounding air.

31 / 64

Which are the acoustic protection except ___________

32 / 64

Characteristic by which we can distinguish between two, sounds of same loudness and pitch is called _____

33 / 64

The study of sound is called______

34 / 64

Intensity of whispering is ____________

  • 10-5 Wm-2
  • 10-8Wm-2
  • 10-9Wm-2
  • 10-12 Wm-2

Which Option is Correct ?

35 / 64

Which is an example of a longitudinal wave.

36 / 64

The speed of sound varies with_______________

37 / 64

Sound is ____________Wave.

38 / 64

By using an ____________ we can see sound wave.

39 / 64

Corresponds to irregular and sudden vibrations produced by some sound ___________

40 / 64

Which bird fly easily between wires in the black room.

41 / 64

Audible frequency range is ____________

42 / 64

By which waves small cracks can appear___________

43 / 64

Noise correspond ____________ vibration.

44 / 64

____________ is the characteristic of sound by which we can. distinguish between a shrill and a grave sound.

45 / 64

The speed of sound in solid is about _____________ times that in gases.

46 / 64

Ultrasonics are used to measure the depth of Water by____________

47 / 64

Ultrasound is the frequency of sound higher than ___________

48 / 64

When the frequency of a sound wave is increased, which of the following will decrease?

49 / 64

We hear sound produce by musical instrument such as _____________

50 / 64

Multiple reflections called ___________

51 / 64

Which form of energy is sound?

52 / 64

Such sound Which are pleasant to our ears are named as ____________

53 / 64

The speed of sound in air at a2 atm pressure and at room temperature (21°C) is _______

54 / 64

Sound waves with frequency less than 20Hz are called _____________

55 / 64

The loudness of sound is directly proportional to logarithm of intensity, this Law is called _______

56 / 64

Bats can hear Frequencies up to_______________

57 / 64

The sensation of sound persists in our brain about ___________

58 / 64

Distance between two consecutive compressions and rarefactions is the _______ of sound wave.

59 / 64

Compressions are places Where air is slightly _______________ than the surrounding air.

60 / 64

By ultrasonic waves ____________ can be destroyed.

61 / 64

Old people cannot hear sound even above ____________

62 / 64

Voice of Child is _______________

63 / 64

For a normal person audible frequency range for sound wave lie between____________

64 / 64

According to wave equation v= fλ the wavelength of ultra-sonic waves are ____________

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MCQs Chap # 11 – Physics 10th

(Download in pdf format)

(Correct Answers has shown at front end of each question)

Solved Numericals Chap # 11 – Physics 10th

(Download in pdf format)

Short Questions Chap # 11 – Physics 10th

(Download in pdf format)

Long Questions Chap # 11 – Physics 10th

(Download in pdf format)

Conceptual Questions Chap # 11 – Physics 10th

(Download in pdf format)

Physics Notes, Numerical for Class 10th

If your are talking about the Study material of Class 10th Physics Notes chapter-11, Physics Notes for 10th Class Chapter-11, eStudent.pk is providing same helpful content against each chapter of Physics Class 11 notes pdf downloadable format of PTB book. For each chapter  there are short questions, long question, multiple-choice questions, and numerical. Similarly, in the case of extra material, there are long questions, short questions, and multiple-choice questions. So, every student can check these notes and prepare for exams.

How did we prepare from these notes? any Student of 10th class should prepared all the long question of each chapter first and practiced all the numerical as well in good grip. Then he should skimmed through all the multiple-choice question and short questions of same chapter for adamjee notes class 10 Physics 2022, adamjee notes for class 10 Physics, adamjee notes for class 10, adamjee notes. That should be enough for him to prepare a chapter and secure good marks in exams. All reader should use this technique if you like this.

Chapter wise PDF Notes / Problems / Numerical Solution of Physics

Chapter-10 – Simple Harmonic Motion and Waves

Chapter-11 – Sounds

Chapter-12 – Geometrical Optics 

Chapter-13 – Electrostatics

Chapter-14 – Current Electricity

Chapter-15 – Electromagnetism 

Chapter-16 – Basic Electronics 

Chapter-17 – Information Technology 

Chapter-18 – Atomic and Nuclear Physics

Pairing Scheme for 2021 – Physics 10th Class

 

Physics Notes for 10th Class: 

For All types Notes of physics you can search hour website. we have added the topics like adamjee notes for class 10, adamjee notes for class 10 physics, 10th class physics notes, 10th Class notes of physcis, Physics Note 10th Class, physics notes for class 10 pdf”, class 10 physics notes chapter 1, kips notes for 10th class physics, 10th class physics notes english medium pdf, physics notes for class 10 sindh board pdf download, 10th class physics notes urdu medium, physics class 10 chapter 1, physics notes for class 10 chapter 11, 10th class physics notes pdf, kips notes for 10th class physics, class 10 physics notes chapter 1, 10th class physics notes pdf in urdu, 10th class physics numericals notes, physics class 10 chapter 2 notes, 10th class physics short questions notes, 10th class physics numericals pdf download, 10th Classs physics MCQs, 10th Class Physics MCQs Chapter 10, Physics Notes for 10th Class, Physics Notes for 10th Class Chapter-10.

These Notes are helpful, if you are searching for Physics Notes for Class 10 Punjab Board pdf, Physics Notes for Class 10 Sindh Board pdf, Physics Notes for Class 10 adamjee, Physics Notes for Class 10th Sindh Board, Physics Notes for Class 10 federal Board 2021, Physics Notes for Class 10 kpk Board 2021, unique notes for 10th Class Physics, Physics Notes for Class 10th Urdu.

 

Physics Notes for 9th Class Chapter-02

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Kinematics:

The most interesting and important Subject Physics of 9th Class Chapter-02. Student want to know the important Questions and  physics notes for 9th class , to prepare it according to BISE Punjab. We are providing the Solution of Student Problems.

Here are important MCQs for 9th Class, Physics Chapter # 02

Try and Practice/ Play this MCQs Series again and again to get the grip on this MCQs Chapter#02 of Physics, Kinematics 9th Class.

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1 / 56

There are ________ equations of motion which are used to solve the problems about the motion of bodies.

2 / 56

If a body is thrown vertically upward then its final velocity will be _________

3 / 56

If a body covers equal distance in equal intervals of time, however small the intervals may be, then the speed of the body is known as_____

4 / 56

If the speed and direction of the moving body does not change with time when its velocity is said to be_______

5 / 56

If the velocity of the body is decreasing, then its acceleration will be_________

6 / 56

If a car is moving with uniform speed in a circle then its velocity will be ______

7 / 56

The motion of a body around an axis is called________ motion.

8 / 56

A body has Translatory motion if it moves along a_______

9 / 56

The rate of displacement with respect to time is known as __________

10 / 56

A train is moving at a speed of 36kmh-1. Its speed can be expressed in ms-1 as _________

  1. 10ms-1
  2. 20ms-1
  3. 25ms-1
  4. 30ms-1

(which is correct Option?)

11 / 56

If an object is moving with constant speed, then its distance-time graph will be a straight line ____

12 / 56

The slope of straight line in speed time graph gives the magnitude of ____________

13 / 56

If the speed or direction of the moving body changes with time then its velocity is said to be______

14 / 56

Which of the following is a vector quantity?

15 / 56

Study of motion of the bodies is known as_________

16 / 56

If a body does not change its position with respect to some observer, then it will be in state of ____

17 / 56

The velocity and acceleration of a body moving with uniform sped in a circular path will be _____

18 / 56

When a body moves to and fro about a point and repeats its motion again and again about the same point then this motion is known as _________

19 / 56

SI unit of acceleration is ___________

  1. ms-1
  2. kmh-1
  3. kms-2
  4. ms-2

(which is Correct Option)

20 / 56

A change in position is called __________

21 / 56

The spinning of a body about its axis is known as__________

22 / 56

A ball is dropped from the top of the tower. The distance covered by it in the first second is ___

23 / 56

Total length of a path between two points is known as __________

24 / 56

The direction of motion of body and acceleration is in opposite direction then acceleration will be ________

25 / 56

In equations of motion, quantities in the direction of initial velocity are taken as____

26 / 56

If the velocity of the body is increasing, then its acceleration will be _________

27 / 56

Series of experiments on free fall of heavy bodies was performed by_______

28 / 56

The speed-time graph of a car is shown in the figure, which of the following statement is true?

a) Car has an acceleration of 1.5 ms‑1

b) Car has constant speed of 7.5ms-1

c) Distance travelled by the Car is 75m

d) Average speed of car is 15ms-1

29 / 56

The motion of the string of a violin is _________

30 / 56

If a body is thrown upward, then its gravitational acceleration well be _________

31 / 56

Study of motion without discussing the cause of motion is called_____________

32 / 56

By dividing displacement of a moving body with time, we obtain__________

33 / 56

Which one of the following is a vector quantity?

34 / 56

Speed is a __________ quantity.

35 / 56

In equations of motion, acceleration will always be_______

36 / 56

The quantity which can be described by a number, with suitable unit only is called______

37 / 56

If the velocity of a body is uniform then its acceleration will be __________

38 / 56

If a body is falling under the gravity, then its gravitational acceleration will be_______

39 / 56

If a body changes its position with respect to some observer, then it will be in state of _______

40 / 56

Rest and motion are __________ states.

41 / 56

SI unit of speed is ___________

  1. ms-1
  2. mh-1
  3. kms-1
  4. all of these

(Which is Correct Option ?)

42 / 56

The shortest distance between two points is known as _________

43 / 56

The area under a speed time graph represents___________

44 / 56

If the velocity of a body changes equally in equal intervals of time then its acceleration will be _________

45 / 56

The direction of motion of body and acceleration is in same direction then acceleration will be_______

46 / 56

A straight line parallel to time-axis on a distance-time graph tells that the object is _________

47 / 56

In equations of motion, quantities opposite to the direction of initial velocity are taken as_______

48 / 56

In equations of motion, motion will always be taken along ____   line.

49 / 56

A car starts from rest. It acquires a speed of 25ms-1 after 20Sec, the distance moved by the car during this time is _____________

50 / 56

A ball is thrown vertically upward. Its velocity at the highest point is ___________

  1. -10ms-2
  2. Zero
  3. 10ms-2
  4. None of these

(Which is Correct Option?)

51 / 56

The quantity which are described by magnitude as well as direction is called____

52 / 56

Rate of change of velocity in known as ________

53 / 56

In equations of motion, initial velocity will be taken as___________

54 / 56

If a body is falling under the gravity, then its gravitational acceleration will be____

55 / 56

When a body us falling freely under the gravity then in equation of motion “a” is replaced by___

56 / 56

Which of the following graphs is representing uniform acceleration?

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MCQs PHYSICS CHAP # 02

(Download in pdf format)

(Correct Answers has shown at front end of each question)

 

NUMERICAL PHYSICS CHAP # 02

(Download in pdf format)

Long Questions Physics Chapter-02

(Download in pdf format)

Text Book Exercise Solution Physics Chapter-02

(Download in pdf format)

 

Physics Notes, Numerical for Class 9th

If your are talking about the Study material of Class 9th Physics Notes chapter-02, Physics Notes for 9th Class Chapter-02, eStudent.pk is providing same helpful content against each chapter of Physics Class 9 notes pdf downloadable format of PTB book. For each chapter  there are short questions, long question, multiple-choice questions, and numerical. Similarly, in the case of extra material, there are long questions, short questions, and multiple-choice questions. So, every student can check these notes and prepare for exams.

How did we prepare from these notes? any Student of 9th class should prepared all the long question of each chapter first and practiced all the numerical as well in good grip. Then he should skimmed through all the multiple-choice question and short questions of same chapter. That should be enough for him to prepare a chapter and secure good marks in exams. All reader should use this technique if you like this.

Chapter wise PDF Notes / Problems / Numerical Solution of Physics

                Chapter-01 – Physical Quantities and Measurements

                Chapter-02 -Kinematics

                Chapter-03 – Dynamics

                Chapter-04 – Turning Effect of Forces

                Chapter-05 – Gravitation

                Chapter-06 – Work and Energy

                Chapter-07 – Properties of Matter

                Chapter-08 – Thermal Properties of Matter

                Chapter-09 – Transfer of Heat

                Pairing Scheme for 2021 – Physics 9th Class

Physics Notes for 9th Class Chapter-03

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Dynamics:

The most interesting and important Subject Physics of 9th Class Chapter-03. Student want to know the important Questions and  physics notes for 9th class , to prepare it according to BISE Punjab. We are providing the Solution of Student Problems.

Here are important MCQs for 9th Class, Physics Chapter # 03

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Dynamics Physics Chap#03, 9th Class

Physics Ch-03, 9th

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1 / 70

When a force of 8-Neton is applied on a body of mass 2-kg, then the acceleration produced will be_______

  1. 16ms-2
  2. 4ms-2
  3. 0.4ms-2
  4. 160ms-2

(Which is Correct Option)

2 / 70

Static friction is___________ than kinetic friction.

3 / 70

SI unit of force is ______________

4 / 70

When object is at rest, the force of friction is known as_________friction.

5 / 70

Newton’s first law of motion is valid only in the absence of ___________

6 / 70

Value of coefficient of static friction is usually ------------- than coefficient of kinetic friction.

7 / 70

The tension produced when one body moves vertically and the other moves horizontally is __________ as compared to the tension produced when both bodies move vertically

8 / 70

The force which resists the motion of one surface on another surface is known as_________

9 / 70

Weight of the body is measured by_______

10 / 70

Which of the following is the unit of momentum?

  1. Nm
  2. kgms-2
  3. Ns
  4. Ns-1

(Which Option is Correct ?)

11 / 70

A String is stretched by two equal and opposite forces of 10 N each. The tension in the string is ____

12 / 70

The laws of motion are also known as law of __________

13 / 70

The rolling friction is about __________ times smaller than sliding friction.

14 / 70

Direction of the rate of change of momentum is in the direction of___________

15 / 70

______ is the agency which changes or tends to change the state of rest or of uniform motion of a body.

16 / 70

Rate of change of momentum is equal to__________

17 / 70

The characteristic of a body which determines the magnitude of acceleration produced when a certain force act upon it___________

18 / 70

When a force is applied on the body ___________ is produced in the body.

19 / 70

The acceleration produced in a moving body is always in the direction of applied______

20 / 70

The__________ of a body always acting towards the center of the earth.

21 / 70

Weight is a _________ quantity.

22 / 70

The law of motion is also known as law of ___________

23 / 70

The maximum value of static friction is known as __________ friction.

24 / 70

Quantity of matter in a body is called _______

25 / 70

Value of coefficient of friction depends upon___________

26 / 70

_________ of a body does not remain same everywhere.

27 / 70

Inertia depends upon______________

28 / 70

When horse pulls a cart, the action is on the________

29 / 70

Kgms-1 = ____________

30 / 70

ST unit of Momentum is_______________

  1. Kgms-2
  2. Ns
  3. Kems-1

Which Option is Correct?

31 / 70

Rolling friction is ______________ than Sliding friction.

32 / 70

When a block is laying on a smooth surface, its weight is balanced by______

33 / 70

Mass is a __________ quantity

34 / 70

_______ of a body is the direct measure of inertia.

35 / 70

Law of inertia is actually the _________ law of motion.

36 / 70

Quantity of motion in a body is known as____________

37 / 70

Issac Newton described the laws of motion in his famous book______

38 / 70

Laws of Motion was presented by______

39 / 70

Walking on road is an example of ________ law of motion.

40 / 70

If force applied on the body is double while keeping the mass constant, then acceleration will be_____

41 / 70

When an object is in motion then the force of friction is known as _________ friction.

42 / 70

The law of motion is also known as law of ___________

43 / 70

The characteristic of a body due to which it tends to retain its state of rest or of uniform motion is known as______

44 / 70

The value of weight of a body of constant mass depends on________

45 / 70

Which of the following material lowers friction when pushed between metal plates?

46 / 70

When a block is hanging with the help of a rope then weight of the body is balanced by_____

47 / 70

If mass of the body is doubled while keeping the force constant, then acceleration will be____

48 / 70

The weight of a body of mass 10kg on earth will be __________

49 / 70

A spider web remains intact due to____________

50 / 70

When air is released from an inflated balloon, it shoots off is an example of_____

51 / 70

Friction in the human joints is much reduced due to the presence of_________

52 / 70

Sliding friction is commonly converted into Rolling friction by the use of_________

53 / 70

The bodies of masses m1 and m2 attached to the ends of an inextensible string passing over a frictionless pulling such that both move vertically. The acceleration of the bodies is_____

(Which Option is Correct ?)

54 / 70

Mass of the body is measured by___________

55 / 70

Momentum of a moving body depends upon its___________

56 / 70

Friction of liquids is _____________ than friction of solids.

57 / 70

__________ of a body remains same everywhere.

58 / 70

The coefficient of friction has ____________ unit.

59 / 70

A boy jumps out of a moving bus. There is a danger for him to fall_________

60 / 70

Motion of the rocket is an example of________

61 / 70

There are _____ cases of motion of the body hanging with the help of rope.

62 / 70

1-N = _________

  1. Kgms-2
  2. kgms-1
  3. kgm2s-1
  4. kg2ms-2

(which is Correct Option ?)

63 / 70

The front sides of high-speed vehicles, aero-planes and ships are shaped wedge like to reduce_________

64 / 70

The Rotation of water sprinkler is an example of ___________law of motion.

65 / 70

Product of mass and velocity is known as___________

66 / 70

Action and reaction are equal in magnitude but opposite in direction is known as ______ law of motion.

67 / 70

The force with which earth attracts a body towards its center is known as ________

68 / 70

Coefficient of friction does not depend upon the __________ between two surfaces.

69 / 70

The mass of a body_________

70 / 70

Unit of weight is ________

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MCQs PHYSICS 9TH CHAPTER # 03

(Download in pdf format)

(Correct Answers has shown at front end of each question)

NUMERICAL PHYSICS 9TH CHAPTER # 03

(Download in pdf format)

LONG QUESTIONS PHYSICS 9TH CHAPTER # 03

(Download in pdf format)

TEXT BOOK EXERCISE SOLUTION PHYSICS 9TH CHAPTER # 03

(Download in pdf format)

 

Physics Notes, Numerical for Class 9th

If your are talking about the Study material of Class 9th Physics Notes chapter-03, Physics Notes for 9th Class Chapter-03, eStudent.pk is providing same helpful content against each chapter of Physics Class 9 notes pdf downloadable format of PTB book. For each chapter  there are short questions, long question, multiple-choice questions, and numerical. Similarly, in the case of extra material, there are long questions, short questions, and multiple-choice questions. So, every student can check these notes and prepare for exams.

How did we prepare from these notes? any Student of 9th class should prepared all the long question of each chapter first and practiced all the numerical as well in good grip. Then he should skimmed through all the multiple-choice question and short questions of same chapter. That should be enough for him to prepare a chapter and secure good marks in exams. All reader should use this technique if you like this.

Chapter wise PDF Notes / Problems / Numerical Solution of Physics

Chapter-01 – Physical Quantities and Measurements

Chapter-02 -Kinematics

Chapter-03 – Dynamics

Chapter-04 – Turning Effect of Forces

Chapter-05 – Gravitation

Chapter-06 – Work and Energy

Chapter-07 – Properties of Matter

Chapter-08 – Thermal Properties of Matter

Chapter-09 – Transfer of Heat

Pairing Scheme for 2021 – Physics 9th Class

Physics Notes for 9th Class Chapter-04

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Turning Effect of Forces:

The most interesting and important Subject Physics of 9th Class Chapter-04. Student want to know the important Questions and  physics notes for 9th class , to prepare it according to BISE Punjab. We are providing the Solution of Student Problems.

Here are important MCQs for 9th Class, Physics Chapter # 04

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Turning Effect of Force

Physics Ch-04, 9th

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1 / 55

According to First Condition of Equilibrium, the sum of all the forces acting on the body should be _____

2 / 55

When the sum of all the force acting on a body is zero or the object is moving with uniform velocity then it will be in __________

3 / 55

According to Right Hand Rule, if ___________ is along the curl of the fingers of the right hand then the thumb points in the direction of the torque.

4 / 55

Second Condition of Equilibrium is represented by___________

5 / 55

If the Rotation is produced in Clock wise direction, then the Torque is taken as_________

6 / 55

The Equilibrium in which the body does not come back to its original condition when set free after slightly lifting from one side is ____________ equilibrium.

7 / 55

Motion of the football on the ground is an example of ________ Equilibrium.

8 / 55

A body is in equilibrium when its_____________

9 / 55

If the center of gravity of the body is below the fulcrum, then the body will be in ___________ equilibrium.

10 / 55

If the direction of parallel forces is the same, then these are called ______ forces.

11 / 55

When two equal, opposite and parallel forces act at two points of the same body, they form a_______

12 / 55

A book lying on the table is an example of ___________ Equilibrium.

13 / 55

A body is in natural equilibrium when its center of gravity____________

14 / 55

During Rotation the particles of the body rotate along fixed circles. The straight line joining the centers of these circles is known as________

15 / 55

If a number of forces act on a body such that their points of action are different but lines of action are parallel to each other than these forces are known as ____________forces.

16 / 55

According to Second Law of Equilibrium, the sum of all the torques acting on the body should be ______

17 / 55

The Rotational effect of a body is measured by a quantity known as________

18 / 55

If the direction of parallel forces is the opposite, then these are called ____________ forces.

19 / 55

There are __________ States of equilibrium.

20 / 55

In Stable Equilibrium, the center of gravity is ____________ than the original position.

21 / 55

In Unstable equilibrium, the center of gravity is ____________ than the original position.

22 / 55

When an object is resting on the smooth horizontal surface, the weight of the object is balanced by ____

23 / 55

The number of perpendicular components of forces are_______

24 / 55

The __________ of a racing car is kept low to make its stable.

25 / 55

If the rotation produced in anti-clock wise direction, then the torque is taken as______

26 / 55

Two equal but unlike parallel forces having different line of action produces____

27 / 55

The center of gravity of a regular shaped body is always on its center of _____________

28 / 55

The center of Gravity of parallelogram, rectangle, square is the______

29 / 55

A __________is always acting while opening or closing water tap, a lock, stopper of a bottle or jar.

30 / 55

The perpendicular distance between the line of action of force and center of rotation and denoted by ‘r’ is called_______

31 / 55

Component of a vector acting along the y-axis is called_____________

32 / 55

The center of Gravity of Cylinder is the___________

33 / 55

There are _________ conditions of equilibrium.

34 / 55

Racing cars are made stable by______

35 / 55

The position of the center of gravity depends upon the________ of the body.

36 / 55

A couple is formed by_______

37 / 55

A force of 10-N is making an angle of 30° with the horizontal. Its horizontal component will be ____

38 / 55

Component of a vector acting along the X-Axis is called__________

39 / 55

Value of sin 30° is _________

40 / 55

The Center of Gravity of Triangle is the_________

41 / 55

Torque is a _________ quantity.

42 / 55

The type of Equilibrium in which after disturbance, the body again comes to rest position and center of gravity remains unchanged?

43 / 55

The Rotation produced in a body depends upon ___________ factors.

44 / 55

The direction of torque is determined by __________ rule.

45 / 55

The Equilibrium in which the body comes back to its original condition when set free after slightly lifting from one side is _________ equilibrium.

46 / 55

A Meter Rod on a wedge is an example of __________ equilibrium.

47 / 55

In Neutral equilibrium, the center of gravity ________ than the original position.

48 / 55

First Condition of Equilibrium is represented by________

49 / 55

The number of forces that can be added by head by head to tail rule are____

50 / 55

The point at which whole weight of the body appears to act is called___________

51 / 55

The Torque produced in a body due to a Couple is equal to the product of one of the forces and the ____

52 / 55

Addition of vectors are done by_________

53 / 55

In System International, the unit of torque is_________

  1. N
  2. Nm-2
  3. Nm-1
  4. Nm

Which Option is Correct ?

54 / 55

Sigma (∑) is the Greek letter which is used to represent______

55 / 55

The force which is acting perpendicularly downwards towards the earth is called________

Your score is

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MCQs PHYSICS 9TH CHAPTER # 04

(Download in pdf format)

(Correct Answers has shown at front end of each question)

 

NUMERICAL PHYSICS 9TH CHAPTER # 04

(Download in pdf format)

LONG QUESTIONS PHYSICS 9TH CHAPTER # 04

(Download in pdf format)

TEXT BOOK EXERCISE SOLUTION PHYSICS 9TH CHAPTER # 04

(Download in pdf format)

Physics Notes, Numerical for Class 9th

If your are talking about the Study material of Class 9th Physics Notes chapter-04, Physics Notes for 9th Class Chapter-04, eStudent.pk is providing same helpful content against each chapter of Physics Class 9 notes pdf downloadable format of PTB book. For each chapter  there are short questions, long question, multiple-choice questions, and numerical. Similarly, in the case of extra material, there are long questions, short questions, and multiple-choice questions. So, every student can check these notes and prepare for exams.

How did we prepare from these notes? any Student of 9th class should prepared all the long question of each chapter first and practiced all the numerical as well in good grip. Then he should skimmed through all the multiple-choice question and short questions of same chapter. That should be enough for him to prepare a chapter and secure good marks in exams. All reader should use this technique if you like this.

Chapter wise PDF Notes / Problems / Numerical Solution of Physics

                  Chapter-01 – Physical Quantities and Measurements

                  Chapter-02 -Kinematics

                  Chapter-03 – Dynamics

                  Chapter-04 – Turning Effect of Forces

                  Chapter-05 – Gravitation

                  Chapter-06 – Work and Energy

                  Chapter-07 – Properties of Matter

                  Chapter-08 – Thermal Properties of Matter

                  Chapter-09 – Transfer of Heat

                  Pairing Scheme for 2021 – Physics 9th Class

Physics Notes for 9th Class Chapter-05

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The most interesting and important Subject Physics of 9th Class Chapter-05. Student want to know the important Questions and  physics notes for 9th class , to prepare it according to BISE Punjab. We are providing the Solution of Student Problems.

Here are important MCQs for 9th Class, Physics Chapter # 05

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Physics Ch-05, 9th

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1 / 30

Height of the Geostationary Satellite above the surface of earth is_________

2 / 30

The mass of Earth is approximately_________

  1. 6.9 x 1024 kg
  2. 6.0 x 10-24 kg
  3. 6.0x 1024 kg
  4. 5500 x 1024 kg

which one is Correct Answer ?

3 / 30

The orbital speed of a low orbit satellite is _____________

  1. Zero
  2. 8ms-1
  3. 800ms-1
  4. 8000ms-1

which is Correct option ?

4 / 30

Speed of GPS Satellite is______

5 / 30

If the weight of an object on the surface of earth is W. Its weight on the surface of moon will be___________

6 / 30

On Mountains our weight will be _________ as compared to Weight on the surface of Earth

7 / 30

Relative velocity of Geostationary satellite with respect to earth is_______

8 / 30

If the distance between two masses is half, then the Force of Gravitation becomes_______

9 / 30

Gravitational Force on the surface of Earth is equal to_______

10 / 30

If a Rocket is fired vertically with a speed of ________, it will start revolving around the earth.

11 / 30

Value of g increases with the ___________

12 / 30

Unit of Gravitational Field Strength is_____

13 / 30

The value of g at a height one earth’s radius above the surface of Earth is _________

14 / 30

Earth’s Gravitational force of attraction vanishes at_________

15 / 30

As we go up the value of G becomes_________

16 / 30

The value of g on moon’s surface is 1.6ms-2. What will be the weight of a 100kg body on the surface of the moon?

17 / 30

What is not true about g?

18 / 30

In System International, the value of G is________

  1. 6.4 x 106 Nm2kg-2
  2. 6.4.x 10-11 Nm2kg-2
  3. 6.67 x 1011 Nm2kg-2
  4. 6.67 x 10-11 Nm2kg-2

which is the Correct Answer ?

19 / 30

Weight of the body of Mass 10-kg on the surface of Moon_______

20 / 30

Which one of the following converts light energy into electrical energy?

21 / 30

An Artificial Satellite keeps on revolving around the earth in different orbits with uniform speed due to the?

 

22 / 30

Radius of Earth is________

  1. 6.4.x 106 km
  2. 6.4x106m
  3. 6x 106m
  4. 6 x 106 km

which is the Correct Option ?

23 / 30

When an object is at a height equal to radius of Earth above the surface of the earth. What is the value of gn?

24 / 30

The SI unit of gravitational force is______

25 / 30

The Force which pulls the object towards the center of circle is known as ________force.

26 / 30

_________predicted about artificial satellites about 300 years ago.

27 / 30

What will be the value of G if Mass of the Earth becomes Four Times_______

28 / 30

The altitude of geostationary orbits in which communications satellites are launched above the surface of Earth is ____________

29 / 30

If Mass of two bodies is 1kg and distance between their centers is 1m then the gravitational force will be equal to________

30 / 30

Distance of Moon from Earth is________

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MCQs PHYSICS 9TH CHAPTER 05

(Download in pdf format)

(Correct Answers has shown at front end of each question)

NUMERICALS PHYSICS 9TH CHAPTER 05

(Download in pdf format)

LONG QUESTIONS PHYSICS 9TH CHAPTER 05

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TEXT BOOK EXERCISE SOLUTION PHYSICS 9TH CHAPTER 05

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Physics Notes, Numerical for Class 9th

If your are talking about the Study material of Class 9th Physics Notes chapter-05, Physics Notes for 9th Class Chapter-05, eStudent.pk is providing same helpful content against each chapter of Physics Class 9 notes pdf downloadable format of PTB book. For each chapter  there are short questions, long question, multiple-choice questions, and numerical. Similarly, in the case of extra material, there are long questions, short questions, and multiple-choice questions. So, every student can check these notes and prepare for exams.

How did we prepare from these notes? any Student of 9th class should prepared all the long question of each chapter first and practiced all the numerical as well in good grip. Then he should skimmed through all the multiple-choice question and short questions of same chapter. That should be enough for him to prepare a chapter and secure good marks in exams. All reader should use this technique if you like this.

Chapter wise PDF Notes / Problems / Numerical Solution of Physics

                 Chapter-01 – Physical Quantities and Measurements

                 Chapter-02 -Kinematics

                 Chapter-03 – Dynamics

                 Chapter-04 – Turning Effect of Forces

                 Chapter-05 – Gravitation

                 Chapter-06 – Work and Energy

                 Chapter-07 – Properties of Matter

                 Chapter-08 – Thermal Properties of Matter

                 Chapter-09 – Transfer of Heat

                 Pairing Scheme for 2021 – Physics 9th Class

Physics Notes for 9th Class Chapter-06

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Work and Energy:

The most interesting and important Subject Physics of 9th Class Chapter-06. Student want to know the important Questions and  physics notes for 9th class , to prepare it according to BISE Punjab. We are providing the Solution of Student Problems.

Here are important MCQs for 9th Class, Physics Chapter # 06

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Physics Ch-06, 9th

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1 / 49

What will be the magnitude of work if a force of 25-N pulls a Stone through a distance of 5-Meter in its direction____________

2 / 49

The work done will be zero when the angle between force and distance is ______

3 / 49

For work ____ conditions should be fulfilled.

4 / 49

A Bowler during playing Cricket throws a ball of mass 200-g with a velocity of 20 ms-1. Its Kinetic Energy will be_______

5 / 49

Work done will be __________ if no force act on the body.

6 / 49

What will be the Kinetic Energy of a body, if its Mass is doubled?

7 / 49

When a body is lifted through a height “H”, the work done on it appears in the form of its____

8 / 49

Rate of doing work is called__________

9 / 49

Unit of Power is__________

10 / 49

A Motor lifts a Weight of 5-N up to the Height of 2-M in 4 Seconds. What will be the power of the motor?

11 / 49

There are ___________ basic kinds of energy.

12 / 49

The energy store in a dam is _________

13 / 49

Work is ____________ quantity

14 / 49

The kinetic energy of a body of mass 2kg is 25J. its speed is _____

15 / 49

Ability of a body to do work due to its height from the surface of earth is called energy of ________

16 / 49

The work done in lifting a brick of mass 2kg through a height of 5m above the ground will be ________

17 / 49

Work done will be zero if displacement is __________ to force.

18 / 49

Ability of a body to do work is known as________

19 / 49

Unit of work is ___________

20 / 49

For Maintaining the body Temperature ___________energy is used.

21 / 49

Decrease in K.E is equal to___________

22 / 49

Energy possessed by a body due to its motion is called ____________ energy.

23 / 49

For the propagation of signals in our body ____________ energy is used.

24 / 49

Energy is _________ Quantity.

25 / 49

If the direction of motion of the force is perpendicular to the direction of motion of the body, then work done will be __________

26 / 49

One Mega Joule is equal to________

  1. 106 J
  2. 103 J
  3. 109 J
  4. 102 J

which option is correct ?

27 / 49

For movement of our body ___________ energy is used.

28 / 49

Energy of the water stored in the Dam is________

29 / 49

Product of Force and Distance covered in the direction of force is called _______

30 / 49

When a ball is lifted to a height ‘H’ from the ground, it will possess ____________ energy.

31 / 49

In Einstein’s mass-energy equation, “c” is the ________

32 / 49

What will be the power of a machine, which is doing 10-J work in 5-Seconds?

33 / 49

Decrease in P.E is equal to____________

34 / 49

What will be the Kinetic Energy of a body if its velocity is doubled?

35 / 49

Ability of a body to do work due to its position is called _________ energy.

36 / 49

Work done will be count as 1 _________if a force of one Newton acts on the body and it covers the distance of 1 meter in the direction of force.

37 / 49

Rate of doing Work with respect to Time is known as_________

38 / 49

What will be the kinetic energy of a car of mass 1000kg moving with a velocity of 20ms-1 ? 

  • 2 x 102 J
  • 2 x 103 J
  • 2 x 105 J
  • 2 x 107 J

which option is correct

39 / 49

Total energy of the system______

40 / 49

Increase in P.E is equal to________

41 / 49

How many types of mechanical energy are?

42 / 49

01-HP = ____________

43 / 49

Which unit is equal to kgm2s-2 in the units given below_________

44 / 49

Work done will be maximum if displacement is _____________ to force.

45 / 49

The energy stored in coal is ____________

46 / 49

How much power is used by a 40-kg athlete by climbing 10-M high ladder in 10-Sec_____

47 / 49

If the velocity of a body becomes double, then its kinetic energy will ___________

48 / 49

Unit of Energy in System International is__________

49 / 49

Increase in K.E is equal to_______

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MCQs PHYSICS 9TH CHAPTER # 06

 (Download in pdf format)

(Correct Answers has shown at front end of each question)

 

NUMERICAL PHYSICS 9TH CHAPTER # 06

(Download in pdf format)

LONG QUESTIONS PHYSICS 9TH CHAPTER # 06

(Download in pdf format)

TEXT BOOK EXERCISE SOLUTION PHYSICS 9TH CHAPTER # 06

(Download in pdf format)

 

Physics Notes, Numerical for Class 9th

If your are talking about the Study material of Class 9th Physics Notes chapter-06, Physics Notes for 9th Class Chapter-06, eStudent.pk is providing same helpful content against each chapter of Physics Class 9 notes pdf downloadable format of PTB book. For each chapter  there are short questions, long question, multiple-choice questions, and numerical. Similarly, in the case of extra material, there are long questions, short questions, and multiple-choice questions. So, every student can check these notes and prepare for exams.

How did we prepare from these notes? any Student of 9th class should prepared all the long question of each chapter first and practiced all the numerical as well in good grip. Then he should skimmed through all the multiple-choice question and short questions of same chapter. That should be enough for him to prepare a chapter and secure good marks in exams. All reader should use this technique if you like this.

Chapter wise PDF Notes / Problems / Numerical Solution of Physics

                  Chapter-01 – Physical Quantities and Measurements

                  Chapter-02 -Kinematics

                  Chapter-03 – Dynamics

                  Chapter-04 – Turning Effect of Forces

                  Chapter-05 – Gravitation

                  Chapter-06 – Work and Energy

                  Chapter-07 – Properties of Matter

                  Chapter-08 – Thermal Properties of Matter

                  Chapter-09 – Transfer of Heat

                  Pairing Scheme for 2021 – Physics 9th Class

Physics Notes for 9th Class Chapter-07

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Properties of Matter:

The most interesting and important Subject Physics of 9th Class Chapter-07. Student want to know the important Questions and  physics notes for 9th class , to prepare it according to BISE Punjab. We are providing the Solution of Student Problems.

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Physics Ch-07, 9th

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1 / 44

In which of the following state, molecules do not leave their position?

2 / 44

The property of the matter due to which it restores its size and shape when force ceases to act on it______

3 / 44

How many states of matter are?

4 / 44

The density of a substance can be found with the help of _______

5 / 44

The unit of Pressure is____________

6 / 44

The Ratio of change in length to the original length is___________

7 / 44

Buoyant Force is equal to the _____________ of the liquid displaced by the object.

8 / 44

The object will sink in the liquid surface when___________

9 / 44

The Unit of Young’s modulus is___________

10 / 44

The ratio of tensile stress and tensile strain is__________

11 / 44

When Temperature of the matter increases, intermolecular forces ___________

12 / 44

Hydraulic Brake works on the principle of_________

13 / 44

Submarine works on the principle of_________

14 / 44

According to Hooke’s Law__________

15 / 44

Due to Pressure difference on an object, an upward force acts on the object known as_______

16 / 44

Witch Law talks about the floating and sinking of objects?

17 / 44

Molecules of which state of matter have strongest attractive power?

18 / 44

According to Hooke’s law, within the elastic limit stress and strain has ____________ proportion.

19 / 44

According to Kinetic Molecular theory, gases exert pressure on the walls of the container due to their______

20 / 44

The Instrument used to measure atmospheric pressure is called ____________

21 / 44

Which of the substances is the lightest one?

22 / 44

If Quantity of the Gas is increased in the container, then gas pressure ___________

23 / 44

The Law about pressure on the object is presented by________

24 / 44

If a body is at a depth of ‘h’ from the liquid surface of density ‘p’, then the pressure ‘P’ on that body is______

25 / 44

Plasma is_______

26 / 44

Hydraulic Press is based on__________

27 / 44

SI unit of pressure is Pascal, which is equal to __________

  • 10-4 Nm-2
  • 1  Nm-2
  • 102 Nm-2
  • 103 Nm-2

which Option is Correct ?

28 / 44

Ionic state of matter is called __________

29 / 44

Unit of density is __________

  1. kg m3
  2. kg m-2
  3. kg m-3
  4. kg m2

which option is Correct ?

30 / 44

The Force exerted perpendicularly on unit area of an object is called___________

31 / 44

The Molecules of the matter are always remaining in the state of____________

32 / 44

The object will float on the liquid surface when____________

33 / 44

When Temperature of the Gas increases then Gas pressure _____________

34 / 44

In system international, the unit of stress is_________

35 / 44

The force that acts on unit area of an object and thus changes its shape or size_______

36 / 44

When Stress is increased, the Strain also goes on______

37 / 44

If Pressure is exerted on a liquid, Liquid transmits it__________

38 / 44

According to Archimedes, upthrust is equal to __________

39 / 44

A solid object is__________

40 / 44

The Energy possessed by the molecules of the matter is due to its motion_______

41 / 44

The Law about Stress and Strain is presented by___________

42 / 44

What should be the approximate length of a glass tube to construct a water barometer?

43 / 44

Weakest attractive forces are in____________

44 / 44

Pressure depends upon_____________

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MCQs PHYSICS 9TH CHAPTER 07

(Download in pdf format)

(Correct Answers has shown at front end of each question)

NUMERICALS PHYSICS 9TH CHAPTER 07

(Download in pdf format)

LONG QUESTIONS PHYSICS 9TH CHAPTER 07

(Download in pdf format)

TEXT BOOK EXERCISE SOLUTION PHYSICS 9TH CHAPTER 07

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Physics Notes, Numerical for Class 9th

If your are talking about the Study material of Class 9th Physics Notes chapter-07, Physics Notes for 9th Class Chapter-07, eStudent.pk is providing same helpful content against each chapter of Physics Class 9 notes pdf downloadable format of PTB book. For each chapter  there are short questions, long question, multiple-choice questions, and numerical. Similarly, in the case of extra material, there are long questions, short questions, and multiple-choice questions. So, every student can check these notes and prepare for exams.

How did we prepare from these notes? any Student of 9th class should prepared all the long question of each chapter first and practiced all the numerical as well in good grip. Then he should skimmed through all the multiple-choice question and short questions of same chapter. That should be enough for him to prepare a chapter and secure good marks in exams. All reader should use this technique if you like this.

Chapter wise PDF Notes / Problems / Numerical Solution of Physics

                 Chapter-01 – Physical Quantities and Measurements

                 Chapter-02 -Kinematics

                 Chapter-03 – Dynamics

                 Chapter-04 – Turning Effect of Forces

                 Chapter-05 – Gravitation

                 Chapter-06 – Work and Energy

                 Chapter-07 – Properties of Matter

                 Chapter-08 – Thermal Properties of Matter

                 Chapter-09 – Transfer of Heat

                 Pairing Scheme for 2021 – Physics 9th Class

Physics Notes for 9th Class Chapter-08

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Thermal Properties of Matter:

The most interesting and important Subject Physics of 9th Class Chapter-08. Student want to know the important Questions and  physics notes for 9th class , to prepare it according to BISE Punjab. We are providing the Solution of Student Problems.

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Physics Ch-08, 9th

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1 / 40

The SI unit of temperature is__________

2 / 40

Latent heat of vaporization of water is________

3 / 40

Which of the following effects evaporation?

4 / 40

Linear expansion depends on__________

5 / 40

Temperature is the________

6 / 40

Ice is a ____________

7 / 40

The device used to measure of the specific heat of an object is____________

8 / 40

Unit of specific heat is________

  1. Jkg-1K
  2. JkgK-1
  3. Jkg-1K-1
  4. J

Which Option is Correct ?

9 / 40

Linear expansion of a rod occurs on these number of dimension(s) ______________

10 / 40

Heat is a type of _____________ energy.

11 / 40

Mercury is used as thermometric material because it has________

12 / 40

Thermostat is used in___________

13 / 40

There are ___________ type (s) of expansion take place in a liquid filled in a container.

14 / 40

β = ___________

15 / 40

Celsius equivalent of 0-K is_______

16 / 40

Quantity of heat that changes one kilogram of a of liquid into gas is called___________

17 / 40

SI unit of Coefficient of linear & volume expansion is__________

18 / 40

Human normal body temperature of 37 °C and  in Fahrenheit it is_________

19 / 40

Which of the following material has large value of temperature coefficient of linear expansion?

20 / 40

Unit of latent heat is_________

21 / 40

The liquid used in thermometers is ____________

22 / 40

Which of the following has highest specific heat?

23 / 40

Climate of regions near sea shore remains moderate due to_______

24 / 40

All the bodies expand__________ on heating.

25 / 40

What will be the value of β for a solid for which α has value of 2 x 10-5 K-1?

  • 2 x 10-5 K-1
  • 6 x 10-5 K-1
  • 8 x 10-15 K-1
  • 8 x 10-5K-1

which Option is Correct ?

26 / 40

Thermostat works on the principle of_________

27 / 40

Specific heat of water is _________

  • 2100 Jkg-1K-1
  • 2500 Jkg-1K-1
  • 3200 Jkg-1K-1
  • 4200 Jkg-1K-1

Which Option is Correct ?

28 / 40

Volume expansion depends on_________

29 / 40

Which of the following material has large value of temperature coefficient of linear expansion?

30 / 40

Fahrenheit equivalent of 0-K is_____________

31 / 40

Boiling point of water in Fahrenheit is___________

32 / 40

Temperature of 30 °C in Fahrenheit is_____________

33 / 40

Water Freezes at __________

34 / 40

Cause of land and sea breeze is___________

35 / 40

Quantity of heat that changes one kilogram of a of solid into liquid is called______

36 / 40

Latent heat of fusion of ice is__________

37 / 40

A large water reservoir keeps temperature of nearby land moderate due to____

38 / 40

The quantity of heat that causes 1-K change in temperature in a substance of mass 1 Kg is called_____

39 / 40

Normal human body temperature is ___________

40 / 40

The characteristic of unequal expansion of different metals is employed in a device known as______

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Physics 9th MCQs Chapter -08

(Download in pdf format)

(Correct Answers has shown at front end of each question)

NUMERICALS PHYSICS 9TH CHAPTER 08

(Download in pdf format)

LONG QUESTIONS PHYSICS 9TH CHAPTER 08

(Download in pdf format)

TEXT BOOK EXERCISE SOLUTION PHYSICS 9TH CHAPTER 08

(Download in pdf format)

Physics Notes, Numerical for Class 9th

If your are talking about the Study material of Class 9th Physics Notes chapter-08, Physics Notes for 9th Class Chapter-08, eStudent.pk is providing same helpful content against each chapter of Physics Class 9 notes pdf downloadable format of PTB book. For each chapter  there are short questions, long question, multiple-choice questions, and numerical. Similarly, in the case of extra material, there are long questions, short questions, and multiple-choice questions. So, every student can check these notes and prepare for exams.

How did we prepare from these notes? any Student of 9th class should prepared all the long question of each chapter first and practiced all the numerical as well in good grip. Then he should skimmed through all the multiple-choice question and short questions of same chapter. That should be enough for him to prepare a chapter and secure good marks in exams. All reader should use this technique if you like this.

Chapter wise PDF Notes / Problems / Numerical Solution of Physics

                 Chapter-01 – Physical Quantities and Measurements

                 Chapter-02 -Kinematics

                 Chapter-03 – Dynamics

                 Chapter-04 – Turning Effect of Forces

                 Chapter-05 – Gravitation

                 Chapter-06 – Work and Energy

                 Chapter-07 – Properties of Matter

                 Chapter-08 – Thermal Properties of Matter

                 Chapter-09 – Transfer of Heat

                 Pairing Scheme for 2021 – Physics 9th Class

Physics Notes for 9th Class Chapter-09

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Transfer of Heat:

The most interesting and important Subject Physics of 9th Class. Student want to know the important Questions and  physics notes for 9th class , to prepare it according to BISE Punjab. We are providing the Solution of Student Problems.

Here is important MCQs for 9th Class, Physics Chapter # 09

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Physics Ch-09, 9th

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1 / 30

Transfer of heat by the actual movement of molecules____

2 / 30

Colored surfaces are ___________ absorber.

3 / 30

Metals are good conductor of heat due to the____________

4 / 30

Which of the following is a good radiator of heat?

5 / 30

Which of the following is best for insulation?

6 / 30

Geysers work on the principle of___________

7 / 30

Global warming in the world is due to_____

8 / 30

Heat from sun reaches us by _________

9 / 30

What happens to the thermal conductivity of a wall if its thickness is doubled?

10 / 30

Which one is/are the insulator (s)?

11 / 30

Land breeze blows from____________

12 / 30

Room are heated using gas heater by_________

13 / 30

Ice is an___________

14 / 30

False Ceiling is done due to _____________

15 / 30

Movement of water on heating is shown by the crystal of_______

16 / 30

There are _________methods of transmission of heat.

17 / 30

Black surfaces are _________ emitter.

18 / 30

Convection of heat is the process of heat transfer due to the _________ of the molecules.

19 / 30

Feathers of the birds are__________

20 / 30

Shinning silvered surfaces are __________ reflector.

21 / 30

Ventilation in our houses is only possible due to____________

22 / 30

Land and sea breezes are due to___________

23 / 30

The gases in the Earth’s atmosphere, which causes the greenhouse effect_________

24 / 30

In gases, heat is mainly transferred by____________

25 / 30

Transmission of heat from one body to another body by the interaction of atoms and electrons____

26 / 30

Styrofoam is a __________________

27 / 30

In solids, heat is transferred by_______

28 / 30

Transmission of heat by waves without affecting medium on its way__________

29 / 30

Water is a_____________

30 / 30

Unit of thermal conductivity is _____________

  • Wm-1K-1
  • Wm-1K-2
  • W m-2 K-1
  • W m2 K-1

Which Option is Correct ?

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MCQs in PDF Format Chapter -09

(Download in pdf format)

(Correct Answers has shown at front end of each question)

NUMERICALS PHYSICS 9TH CHAPTER 09

(Download in pdf format)

LONG QUESTIONS PHYSICS 9TH CHAPTER 09

(Download in pdf format)

TEXT BOOK EXERCISE SOLUTION PHYSICS 9TH CHAPTER 09

(Download in pdf format)

Physics Notes for Class 9th

if your are talking about the course material of Class 9th Physics Notes. eStudent.pk is providing some helpful content against each chapter of Physics Class 9 notes pdf downloadable of our book. For each chapter  there are short questions, long question, multiple-choice questions, and numerical. Similarly, in the case of extra material, there are long questions, short questions, and multiple-choice questions. So, every student can check these notes and prepare for exams.

How did we prepare from these notes? any Student of 9th class should prepared all the long question of each chapter first and practiced all the numerical as well in good grip. Then he should skimmed through all the multiple-choice question and short questions of same chapter. That should be enough for him to prepare a chapter and secure good marks in exams. All reader should use this technique if you like this.

Chapter wise PDF Notes / Problems / Numerical Solution of Physics

                  Chapter-01 – Physical Quantities and Measurements

                  Chapter-02 -Kinematics

                  Chapter-03 – Dynamics

                  Chapter-04 – Turning Effect of Forces

                  Chapter-05 – Gravitation

                  Chapter-06 – Work and Energy

                  Chapter-07 – Properties of Matter

                  Chapter-08 – Thermal Properties of Matter

                  Chapter-09 – Transfer of Heat

                  Pairing Scheme for 2021 – Physics 9th Class