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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

There are ___________ basic kinds of energy.

2 / 49

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

25 W

50 W

2 W

10 W

3 / 49

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

Doubled

Four times

Eight times

Half

4 / 49

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

12.5m/s

5m/s

1.5m/s

50m/s

5 / 49

The energy store in a dam is _________

Electrical Energy

Potential Energy

Thermal Energy

Kinetic Energy

6 / 49

For movement of our body ___________ energy is used.

Electrical

Mechanical

Chemical

Heat

7 / 49

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

4000W

40 W

400W

4 W

8 / 49

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

Mechanical

Kinetic

All of these

Potential

9 / 49

Rate of doing work is called__________

Power

Energy

Torque

Momentum

10 / 49

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

Kinetic

Elastic Potential

Mechanical

Gravitational Potential

11 / 49

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

Remains The Same

Becomes Four Times

Become Half

Becomes Double

12 / 49

Increase in K.E is equal to_______

No effect

Decrease in P.E

Increase in P.E

Both a & b

13 / 49

Ability of a body to do work is known as________

Momentum

Force

Power

Energy

14 / 49

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

Mechanical

Potential

Kinetic

All of these

15 / 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____________

25 J

50J

125J

75J

16 / 49

The energy stored in coal is ____________

Chemical Energy

Kinetic Energy

Heat Energy

Nuclear Energy

17 / 49

One Mega Joule is equal to________

10⁶ J
10³ J
10⁹ J
10² J

which option is correct ?

Option-2

Option-3

Option-1

Option-4

18 / 49

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

All of these

Minimum

Maximum

Zero

19 / 49

Energy is _________ Quantity.

None of these

Base

Vector

Scalar

20 / 49

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

45°

180°

60°

90°

21 / 49

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

Elastic Potential

Attraction

Chemical Potential

Gravitational Potential

22 / 49

How many types of mechanical energy are?

23 / 49

Total energy of the system______

All of these

Decreases

Increases

Remains Same

24 / 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_______

4000 J

40 J

400 J

25 / 49

Decrease in P.E is equal to____________

Increase in K. E

No effect

Both a & b

Decrease in K. E

26 / 49

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

Speed of Light

Speed of Sound

Speed of Electron

Speed of Earth

27 / 49

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

Parallel

Normal

Perpendicular

Tangent

28 / 49

For Maintaining the body Temperature ___________energy is used.

Heat

Mechanical

Electrical

Chemical

29 / 49

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

Meter

Joule

Newton

Watt

30 / 49

Unit of Energy in System International is__________

Newton

Watt

Joule

Coulomb

31 / 49

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

Chemical

Mechanical

Electrical

Heat

32 / 49

Unit of Power is__________

Newton

Watt

Coulomb

Joule

33 / 49

Unit of work is ___________

Both "Nm" & "J"

34 / 49

Rate of doing Work with respect to Time is known as_________

Momentum

Energy

Power

None of these

35 / 49

Energy of the water stored in the Dam is________

Gravitational Potential Energy

Mechanical Energy

Elastic Potential Energy

Kinetic Energy

36 / 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

Option-4

Option-2

Option-1

Option-3

37 / 49

01-HP = ____________

726 W

736 W

756 W

746 W

38 / 49

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

Eight Times

Four Times

Doubled

Half

39 / 49

Decrease in K.E is equal to___________

Both a & b

Decrease in P. E

Increase in P. E

No effect

40 / 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?

20 W

10 W

2.5 W

5 W

41 / 49

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

Work

Resistance

Specific Heat

Acceleration

42 / 49

For work ____ conditions should be fulfilled.

43 / 49

Increase in P.E is equal to________

Decrease in K.E

No effect

Both a & b

Increase in K.E

44 / 49

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

Minimum

None of these

Zero

Maximum

45 / 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.

Joule

Watt

Newton

Coulomb

46 / 49

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

Geothermal Energy

Elastic Potential Energy

Potential Energy

Kinetic Energy

47 / 49

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

Parallel

Perpendicular

Normal

Tangent

48 / 49

Work is ____________ quantity

Scalar

None of these

Vector

Base

49 / 49

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

2.5J

100J

50J

10J

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Result:

User Name	Start	Score
Fahim Ul Abbas	00:03:41 Feb 24, 2024	87%
Rana Sarim	11:44:09 Feb 15, 2024	95%
Rana Sarim	11:35:28 Feb 15, 2024	65%
Sana	00:16:51 Feb 13, 2024	83%
M.sadiq	13:26:18 Feb 09, 2024	67%
asma	01:13:43 Feb 01, 2024	63%
Mia	00:25:21 Feb 03, 2024	69%
Arooba	21:29:24 Jan 26, 2024	71%
tred	20:06:41 Jan 26, 2024	46%
Aysha	00:17:36 Jan 08, 2024	67%
Farhan Imtiaz	20:54:55 Dec 29, 2023	81%
Javeria	21:39:28 Dec 25, 2023	46%
aqsa	09:51:36 Dec 16, 2023	75%
mahwish	21:53:20 Dec 03, 2023	79%
M.ZURRAIZ OP	14:14:09 May 22, 2023	53%
MR.M.ZURRAIZ	19:50:48 May 21, 2023	51%
M.ZURRAIZ	05:57:09 May 17, 2023	20%
Ft	19:37:28 May 08, 2023	81%
Fg	19:27:30 May 08, 2023	46%
arslan	21:53:02 Mar 13, 2023	81%
TZ	19:55:30 Feb 26, 2023	85%
TZ	19:38:04 Feb 26, 2023	63%
Aqeedat	13:13:12 Feb 04, 2023	100%
Aina	10:25:13 Feb 03, 2023	79%
Zainab	05:22:51 Jan 27, 2023	95%
Zainab	18:26:10 Jan 26, 2023	93%
Zainab	18:20:49 Jan 26, 2023	85%
Zainab	17:46:21 Jan 26, 2023	69%
fatima	04:11:03 Nov 16, 2022	32%
M.Shawaiz	09:24:15 Nov 12, 2022	85%
Fatima Nasir	16:19:34 Nov 09, 2022	91%
Fatima Nasir	16:08:02 Nov 09, 2022	79%
M.Shawaiz	19:49:59 Oct 30, 2022	0%
M.Shawaiz	19:16:30 Oct 30, 2022	28%
M.Shawaiz	19:06:03 Oct 30, 2022	36%
Fatima	11:20:14 Oct 25, 2022	93%
Fatima	00:14:48 Oct 25, 2022	85%
saim	00:01:37 Oct 18, 2022	36%
Fasahat	14:16:58 Sep 20, 2022	38%
Aina	13:56:12 Sep 20, 2022	59%
Azan	04:24:52 Jul 21, 2022	65%
amna	02:08:28 May 15, 2022	97%
Farwa	18:09:23 Apr 11, 2022	67%
Hassan	16:54:33 Aug 07, 2021	40%
Wajahat	04:26:24 Apr 19, 2021	100%
Wajahat	04:22:15 Apr 19, 2021	95%
Wajahat	04:15:43 Apr 19, 2021	89%
Wajahat	04:03:31 Apr 19, 2021	44%

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MCQs PHYSICS 9TH CHAPTER # 06

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NUMERICAL PHYSICS 9TH CHAPTER # 06

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LONG QUESTIONS PHYSICS 9TH CHAPTER # 06

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TEXT BOOK EXERCISE SOLUTION PHYSICS 9TH CHAPTER # 06

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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.