ECAT Pre General Science Physics Chapter 4 MCQ Test With Answer

Question # 1

Which one is conservative force

Electric force A
Frictional force B
Normal force C
Air resistance D

Question # 2

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 # 3

A 100 kg car is moving at a speed of 10 m/sec and comes to rest after covering a distance of 50 m. the amount of work done against friction is:

+5 x 10¹J A
+5 x 10²J B
+5 x 10³J C
+5 x 10⁴J D

Question # 4

Most of the geysers occur in:

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

Question # 5

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 # 6

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 # 7

A body moves a distance of 10 m along a straight line under the action of a force of 5 N. If the work done is 25 J, the angle which force makes with the direction of motion of a body is:

0° A
30° B
60° C
90° D

Question # 8

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

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

Question # 9

When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done is:

2 J A
0.25 J B
1 J C
0.5 J 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

If one newton force acts on a body and displaces the body through 1m work done on body is

1 dyne A
1 joule B
1KJ C
1 Watt D

Question # 12

The work done in moving a body between two points in a conservation field is independent of the:

Direction A
Force applied B
Path followed by the body C
Power D

Question # 13

When a wall is pushed by a person very strongly, he has done:

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

Question # 14

A solar cell is made from:

Iron A
Silicon B
Germanium C
Copper D

Question # 15

The work done moving a body between two points in a conservation field is independent of the:

Direction A
Force applied B
Path followed by the body ` C
Power D

Question # 16

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 # 17

The energy stored int he water of the dam is:

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

Question # 18

Teh consumption of energy by a 1000 watt heater in half an hour is:

5 Kwh A
0.5 Kwh B
2.5 Kwh C
3.2 Kwh D

Question # 19

A boy pulls a toy car through a distance of 5 m by applying a force of 0.5 N, which makes and 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 # 20

Which of the following types of force can do no work on the particle on which it acts

Frictional force A
Gravitational force B
Electric force C
Centripetal force D

Question # 21

If work is done at the rate of 2 k j per second, then total work done is half an hour will be:

0.5 Kwn A
2 Kwh B
1 Kwh C
None of these D

Question # 22

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 # 23

In the force applied is parallel to the direction of motion, then work done is:

Maximum A
Minimum B
Zero C
None of these D

Question # 24

The angle between centripetal force and displacement of the body moving in a circle is:

0° A
90° B
180° C
None of these D

Question # 25

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 # 26

Work done along a closed path in a gravitational field is:

Maximum A
Minimum B
Zero C
Unity D

Question # 27

Work is product of:

Force and velocity A
Heat and energy B
Force and displacement C
None of these D

Question # 28

SI Unit of work is

Nm^-1 A
Joule B
Nms C
Both a and b D

Question # 29

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 # 30

The consumption of energy by a 60 W bulb in 2 minutes is:

2 watt-hour A
120 watt-hour B
30 watt-hour C
None of these D

Sr.#	Question	Answer
1	Watt x second is unit of:	A. Force B. Work C. Power D. None of these
2	The work performed on an object does not depend on	A. Force applied B. Angle at which force is inclined to the displacement C. Initial velocity of the object D. Displacement
3	The work done moving a body between two points in a conservation field is independent of the:	A. Direction B. Force applied C. Path followed by the body ` D. Power
4	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
5	Which of the following is not a unit of power:	A. J-sec B. Watt C. N m/sec D. Horsepower
6	Work is a	A. Scalar quantity B. Vector quantity C. Base quantity D. None of these
7	The space around the earth within which it expects a force of attraction on other bodies is known as:	A. Nuclear field B. Conservative field C. Electric field D. Gravitational field
8	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:	A. 1.25 J B. 12.5 J C. 125 J D. None of these
9	Work is a:	A. Scalar quantity B. Vector quantity C. Base quantity D. None of these
10	SI Unit of work is	A. Nm^-1 B. Joule C. Nms D. Both a and b

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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

Which one is conservative force

The work performed on an object does not depend on:

A 100 kg car is moving at a speed of 10 m/sec and comes to rest after covering a distance of 50 m. the amount of work done against friction is:

Most of the geysers occur in:

The work performed on an object does not depend on:

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

A body moves a distance of 10 m along a straight line under the action of a force of 5 N. If the work done is 25 J, the angle which force makes with the direction of motion of a body is:

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

When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done is:

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

If one newton force acts on a body and displaces the body through 1m work done on body is

The work done in moving a body between two points in a conservation field is independent of the:

When a wall is pushed by a person very strongly, he has done:

A solar cell is made from:

The work done moving a body between two points in a conservation field is independent of the:

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

The energy stored int he water of the dam is:

Teh consumption of energy by a 1000 watt heater in half an hour is:

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

Which of the following types of force can do no work on the particle on which it acts

If work is done at the rate of 2 k j per second, then total work done is half an hour will be:

Work is always done on a body when:

In the force applied is parallel to the direction of motion, then work done is:

The angle between centripetal force and displacement of the body moving in a circle is:

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

Work done along a closed path in a gravitational field is:

Work is product of:

SI Unit of work is

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:`

The consumption of energy by a 60 W bulb in 2 minutes is:

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