ECAT Pre General Science Physics Chapter 4 MCQ Test With Answer

Question # 1

Work is always done on a body when:

A force acts on it A
It moves through certain distance B
None of A and B is correct C
Both A and B is correct D

Question # 2

Work is always done on a body when:

A force acts on it A
It moves through certain distance B
None of A or B is correct C
Both A and B is correct D

Question # 3

Which of the following is not a unit of power:

J-sec A
Watt B
N m/sec C
Horsepower D

Question # 4

The work performed on an object does not depend on:

Force applied A
Angle at which force is inclined to the displacement B
Initial velocity of the object C
Displacement D

Question # 5

If we draw a graph between d (along x-axis) and F (along y-axis) and get a straight line horizontal to x-axis, then area under this straight line represents:

Power A
Work B
Pressure C
None of these D

Question # 6

A solar cell is made from:

Iron A
Silicon B
Germanium C
Copper D

Question # 7

The field in which work done is moving body between two points depends upon the path followed is called:

Conservative filed A
Non-conservative field B
Electric field C
None of these D

Question # 8

The types of mechanical energy is/are:

Kinetic energy A
Potential energy B
Both of these C
None of these D

Question # 9

A boy pulls a toy car through a distance of 5 m by applying a force of 0.5 N, Which makes an angle of 60° with the horizontal. The work done by the boy is:

1.25 J A
12.5 J B
125 J C
None of these D

Question # 10

The field in which work done in moving a body between two points depends upon the path followed is called:

Conservative field A
Non-conservative field B
Electric field C
None of these D

Question # 11

The Space around the Earth within which it exerts a force of attraction on other bodies is known as

Nuclear field A
Conservative field B
Electric field C
Gravitational field D

Question # 12

The space around the earth within which it expects a force of attraction on other bodies is known as:

Nuclear field A
Conservative field B
Electric field C
Gravitational field D

Question # 13

If we draw a graph between d(along x-axis) and F (along y-axis) and get a straight line horizontal to x-axis then area under this straight line represents:

Power A
Work B
Pressure C
None of these D

Question # 14

Which force is not a conservative force:

Frictional force A
Gravitational force B
Electric force C
Elastic spring force D

Question # 15

The total work done in moving the body up and then down through the same height in a gravitational field is equal to:

mgh A
Its wight B
Weight X height C
Zero D

Question # 16

Work done is independent of path followed in _______

Gravitational field A
Magnetic field B
Electric field C
All of these D

Question # 17

Which force is not a conservative force?

Frictional force A
Gravitational force B
Electric force C
Elastic spring force D

Question # 18

Most of the geysers occur in:

Volcanic regions A
Magnetic regions B
Northern region C
None of these D

Question # 19

The work done by a force, keeping an object in circular motion with constant speed is:

Zero J A
1 J B
0.1 J C
0.01 J D

Question # 20

The space around the earth in which its gravitational force acts on a body is called

Electric Field A
Gravitational field B
Magnetic field C
Conservative field D

Question # 21

Work is a

Scalar quantity A
Vector quantity B
Base quantity C
None of these D

Question # 22

When two protons are brought are brought closer potential energy of both of them:

Increases A
Decreases B
Remains same C
None of these D

Question # 23

Work is a always done on a body when

A force acts on it A
It moves through certain distance B
None of A or B is correct C
Both A and B are correct D

Question # 24

Work has a dimension as that of:

Torque A
Angular momentum B
Linear momentum C
Power D

Question # 25

Energy stored in the spring of a watch is called

Potential energy A
Kinetic energy B
Nuclear energy C
Elastic potential D

Question # 26

A labourer carrying a distance a load on his head moves from rest on a horizontal road to another point where he comes to rest. He has done:`

Minimum work A
Maximum work
B
Zero work C
Negative work D

Question # 27

A laborer carrying a load on his head moves from the rest on a horizontal road to another point where he comes to rest. He has done:

Minimum Work A
Maximum Work B
Zero Work C
Negative Work D

Question # 28

If force and displacement are in opposite direction, the work done is taken as:

Positive work A
Negative work B
Zero work C
Infinte work D

Question # 29

The value of escape velocity of Earth planet comes out to be:

11 m/sec A
11 km/sec B
11 km/hour C
11 cm/sec D

Question # 30

The space around the earth within it exerts a force of attraction on other bodies of known as:

Nuclear field A
Conservative field B
Electric field C
Gravitational field D

Sr.#	Question	Answer
1	Work done is maximum when angle between force and displacement is:	A. 0° B. 90° C. 180° D. None of these
2	If we draw a graph between d(along x-axis) and F (along y-axis) and get a straight line horizontal to x-axis then area under this straight line represents:	A. Power B. Work C. Pressure D. None of these
3	A body moves a distance of 10 m along a straight line under the action of a force of 5 N and work done is 25J. the angle which the force makes with the direction of motion will be:	A. 60° B. 90° C. 30° D. 0°
4	When two protons are brought are brought closer potential energy of both of them:	A. Increases B. Decreases C. Remains same D. None of these
5	If one newton force acts on a body and displaces the body through 1m work done on body is	A. 1 dyne B. 1 joule C. 1KJ D. 1 Watt
6	The value of escape velocity of Earth planet comes out to be:	A. 11 m/sec B. 11 km/sec C. 11 km/hour D. 11 cm/sec
7	Work is a:	A. Scalar quantity B. Vector quantity C. Base quantity D. None of these
8	A 100 Kg car is moving at the speed of 10 m/sec and comes to rest after covering a distance of 50 m. The amount of work done against the friction is:	A. +5 X 10¹J B. +5 X 10²J C. +5 X 10³J D. +5 X 10⁴J
9	The space around the earth in which its gravitational force acts on a body is called	A. Electric Field B. Gravitational field C. Magnetic field D. Conservative field
10	The work done by a force keeping an object in circular motion with constant speed is:	A. Zero J. B. 0.1 J C. 1 J D. 0.01 J

Latest Educational News Stories

Pakistan's Largest Database of Colleges and Universities

BS Programs

University Past Papers

University Results

Exam Results 2024

Study Abroad Programs and Opportunities for Pakistani Students

ECAT Pre General Science Physics Chapter 4 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 4 Work and Energy

ECAT Pre General Science Physics Chapter 4 Work and Energy

Work is always done on a body when:

Work is always done on a body when:

Which of the following is not a unit of power:

The work performed on an object does not depend on:

If we draw a graph between d (along x-axis) and F (along y-axis) and get a straight line horizontal to x-axis, then area under this straight line represents:

A solar cell is made from:

The field in which work done is moving body between two points depends upon the path followed is called:

The types of mechanical energy is/are:

A boy pulls a toy car through a distance of 5 m by applying a force of 0.5 N, Which makes an angle of 60° with the horizontal. The work done by the boy is:

The field in which work done in moving a body between two points depends upon the path followed is called:

The Space around the Earth within which it exerts a force of attraction on other bodies is known as

The space around the earth within which it expects a force of attraction on other bodies is known as:

If we draw a graph between d(along x-axis) and F (along y-axis) and get a straight line horizontal to x-axis then area under this straight line represents:

Which force is not a conservative force:

The total work done in moving the body up and then down through the same height in a gravitational field is equal to:

Work done is independent of path followed in _______

Which force is not a conservative force?

Most of the geysers occur in:

The work done by a force, keeping an object in circular motion with constant speed is:

The space around the earth in which its gravitational force acts on a body is called

Work is a

When two protons are brought are brought closer potential energy of both of them:

Work is a always done on a body when

Work has a dimension as that of:

Energy stored in the spring of a watch is called

A labourer carrying a distance a load on his head moves from rest on a horizontal road to another point where he comes to rest. He has done:`

A laborer carrying a load on his head moves from the rest on a horizontal road to another point where he comes to rest. He has done:

If force and displacement are in opposite direction, the work done is taken as:

The value of escape velocity of Earth planet comes out to be:

The space around the earth within it exerts a force of attraction on other bodies of known as:

Prepare Complete Set Wise ECAT Pre General Science Physics Chapter 4 Work and Energy MCQs Online With Answers

Set 1

Set 2

Set 3

Set 4

Topic Test

Top Scorers Of ECAT Pre General Science Physics Chapter 4 Work and Energy MCQ`s Test

ECAT Physics Chapter 4 Important MCQ's

Test Questions

Is this page helpful?

Share your comments & questions here