TEXT BOOK EXERCISE SOLUTION PHYSICS 9TH CHAPTER 09

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

Transmission of heat by waves without affecting medium on its way__________

2 / 30

Heat from sun reaches us by _________

3 / 30

Colored surfaces are ___________ absorber.

4 / 30

Transfer of heat by the actual movement of molecules____

5 / 30

Metals are good conductor of heat due to the____________

6 / 30

False Ceiling is done due to _____________

7 / 30

In solids, heat is transferred by_______

8 / 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 ?

9 / 30

Which of the following is best for insulation?

10 / 30

Land and sea breezes are due to___________

11 / 30

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

12 / 30

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

13 / 30

Geysers work on the principle of___________

14 / 30

Feathers of the birds are__________

15 / 30

Land breeze blows from____________

16 / 30

Which of the following is a good radiator of heat?

17 / 30

Which one is/are the insulator (s)?

18 / 30

Ice is an___________

19 / 30

Room are heated using gas heater by_________

20 / 30

Global warming in the world is due to_____

21 / 30

Black surfaces are _________ emitter.

22 / 30

There are _________methods of transmission of heat.

23 / 30

Ventilation in our houses is only possible due to____________

24 / 30

Movement of water on heating is shown by the crystal of_______

25 / 30

Shinning silvered surfaces are __________ reflector.

26 / 30

In gases, heat is mainly transferred by____________

27 / 30

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

28 / 30

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

29 / 30

Water is a_____________

30 / 30

Styrofoam is a __________________

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MCQs in PDF Format Chapter -09

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NUMERICALS PHYSICS 9TH CHAPTER 09

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LONG QUESTIONS PHYSICS 9TH CHAPTER 09

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TEXT BOOK EXERCISE SOLUTION PHYSICS 9TH CHAPTER 09

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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

Physics Notes for 9th Class Chapter-01

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Physical Quantities and Measurements:

The most interesting and important Subject Physics of 9th Class Chapter-01. 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 # 01

Try and Practice/ Play this MCQs Series again and again to get the grip on this MCQs Chapter#05 of Physics, Gravitation, 9th Class.

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Physical Quantities & Measurement

Physics Ch-01, 9th Class

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1 / 56

The SI unit of intensity of light is_________

2 / 56

Least count of Digital Stop watch is_________

3 / 56

A student claimed the diameter of a wire as 1.032 cm using Vernier Calipers. Up to what extent do you agree with it?

4 / 56

The Study of Internal Structure of Earth and its activities like seismography is called___________

5 / 56

Pitch of the Screw Gauge is __________

6 / 56

The number of significant figures in 1.40 x 105 are_______

7 / 56

The least count of Screw Gauge is_________

8 / 56

Separation between division on the Vernier Scale of the Vernier Calipers is___________

9 / 56

Number of divisions on the Vernier scale are___________

10 / 56

The word science is derived from the Latin word__________

11 / 56

Amount of a substance in terms of numbers is measured in ___________

12 / 56

A measuring cylinder is used to measure_____________

13 / 56

The International System of Units is abbreviated as_____________

14 / 56

1-µs is equal to_________

(Which is Correct Option ?)

  • 10-9 s
  • 10-3 s
  • 10-6 s
  • 10-12 s

15 / 56

One meter is equal to _________

Select Correct  Option

  • 103mm
  • 10-3 km
  • 102 cm
  • All of these

16 / 56

The Branch of Science which deals with the study of properties of matter, energy and their mutual relationship is called_______

17 / 56

If zero of the Vernier Scale is on the right side of the zero of the main scale, then zero error is to be_______

18 / 56

_________can accurately measure up to one tenth of a millimeter.

19 / 56

Least count of digital Vernier calipers is_________

20 / 56

Which one of the following is most suitable to measure the internal diameter of the test tube?

21 / 56

If zero of the Vernier Scale is on the left side of the zero of the main scale, then zero error is to be_________

22 / 56

To measure correctly the volume of the liquid, the eye must be kept on the __________surface of meniscus.

23 / 56

Much of the Universe is made up of________

24 / 56

In Screw Gauge, the distance moved forward or backward in one complete rotation of the circular scale is known as___________

25 / 56

Meter rule can measure the length accurately up to________

26 / 56

If zero of the Vernier Scale is on the right side of the zero of the main scale, then it is known as ___________ zero error.

27 / 56

If zero of the Vernier Scale is on the left side of the zero of the main scale, then it is known as __________ zero error.

28 / 56

Total number of divisions on the circular scale of Screw Gauge are____________

29 / 56

An interval of 200 µs is equivalent to ________

30 / 56

Length of the smallest division on main scale of the Vernier Calipers is__________

31 / 56

For scientific notation internationally accepted practice is that there should be ________ digit(s) before the decimal point.

32 / 56

SI unit of electric charge is___________

33 / 56

Least count of Mechanical Stop Watch is ____________

34 / 56

Identify the base quantity in the following_________

35 / 56

If the zero of the circular scale is below the horizontal line, then the zero error will be_______

36 / 56

Significant figures in an expression are__________

37 / 56

Which one of the following unit is not a derived unit?

38 / 56

In any measurement, the accurately known digits and first doubtful digit are known as_______

39 / 56

Vernier constant is also known as ------------ of Vernier Calipers.

40 / 56

Which one of the following is the smallest quantity?

41 / 56

The study of properties of the ionic state of matter is called ___________

42 / 56

106 Stands for_______

43 / 56

A Student noted the thickness of a glass sheet using a screw gauge. On the main scale, it reads 3 divisions while 8th division on the circular scale coincides with index line. Its thickness is ____

44 / 56

One Femto is equal to_________

(Select Correct Option)

  • 1015

  • 10-15

  • 10-9

  • 10-12

45 / 56

The Zeros in between the digits are considered_________

46 / 56

The study of the isolated nuclei of an atom is called________

47 / 56

Volume measuring scale has a vertical scale in ________

(Select Correct Option)

  • Milo-Liter
  • cm3
  • Both Mili-Liter & cm3
  • None of these

48 / 56

If the zero of the circular scale is above the horizontal line, then the zero error is to be ________

49 / 56

The radius of wire is 0.022 cm. The number of significant figures in the measurements are____

50 / 56

The number of significant figures in 1.406 are__________

51 / 56

The least count of Vernier Calipers is_________

52 / 56

The terms used internationally for multiples and submultiples of various units are known as____

53 / 56

The number of base units is SI are ___________

54 / 56

If the zero of the circular scale is above the horizontal line, then the zero error will be________

55 / 56

Total length of the Vernier Scale is __________

56 / 56

If the zero of the circular scale is below the horizontal line, then the zero error is to be__________

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MCQs in PDF Format

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

NUMERICAL PHYSICS 9TH CHAPTER 01

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LONG QUESTIONS PHYSICS 9TH CHAPTER 01

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TEXT BOOK EXERCISE SOLUTION PHYSICS 9TH CHAPTER 01

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Physics Notes, Numerical for Class 9th

If your are talking about the Study material of Class 9th Physics Notes chapter-01, Physics Notes for 9th Class Chapter-01, 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