ECAT Pre General Science Physics Chapter 4 MCQ Test With Answer

Question # 1

Area under the force displacement graph gives

Power A
Work B
Heat C
Energy D

Question # 2

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 # 3

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 # 4

Work done by the force of friction is always

Positive A
Zero B
Negative C
Maximum D

Question # 5

Work is a Quantity

Vector A
Scalar B
Non-physical C
None of these D

Question # 6

A solar cell converts energy of the Sun into:

Heat energy A
Magnetic energy B
Light energy C
Sound energy D

Question # 7

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 # 8

When force and displacement are perpendicular to each other than work is equal to

Unity A
Infinity B
Zero C
-Fd D

Question # 9

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 # 10

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 the direction of motion will be:

60° A
90° B
30° C
0° D

Question # 11

Energy stored in the spring of a watch is called

Potential energy A
Kinetic energy B
Nuclear energy C
Elastic potential 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

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 # 14

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 # 15

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 # 16

Work has the dimension as that of:

Torque A
Angular momentum B
Linear momentum C
Power D

Question # 17

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 # 18

The tidal energy is due to gravitational pull of :

sun A
moon B
Mars C
None of these D

Question # 19

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 # 20

Work is a scalar product of

Force, Velocity A
Velocity, Displacement B
Force, Displacement C
Force, Momentum D

Question # 21

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

0.5 J A
2 J B
0.25 J C
1 J D

Question # 22

Work done is independent of path followed in _______

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

Question # 23

When velocity of moving body is doubled, the quantity which is also doubled is its:

K.E. A
Acceleration B
Momentum C
P.E. D

Question # 24

Work is a:

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

Question # 25

1 J = ________?

10⁷erges A
10^-7erges B
10⁵erges C
10^-5erges D

Question # 26

The types of mechanical energy is/are:

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

Question # 27

Work is a:

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

Question # 28

Which one is conservative force

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

Question # 29

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 # 30

SI Unit of work is

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

Sr.#	Question	Answer
1	Most of the geysers occur in:	A. Volcanic regions B. Magnetic regions C. Northern region D. None of these
2	Area under the force displacement graph gives	A. Power B. Work C. Heat D. Energy
3	Work done is lowering the bucket into the well is:	A. Zero B. Positive C. Negative D. None of these
4	The Space around the Earth within which it exerts a force of attraction on other bodies is known as	A. Nuclear field B. Conservative field C. Electric field D. Gravitational field
5	When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done is:	A. 2 J B. 0.25 J C. 1 J D. 0.5 J
6	Maximum work is done when force and displacement are	A. Parallel B. Antiparallel C. Perpendicular D. Both a and b
7	When force and displacement are perpendicular to each other than work is equal to	A. Unity B. Infinity C. Zero D. -Fd
8	The types of mechanical energy is/are:	A. Kinetic energy B. Potential energy C. Both of these D. None of these
9	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. Minimum work B. Maximum work C. Zero work D. Negative work
10	Work is a	A. Scalar quantity B. Vector quantity C. Base quantity D. None of these

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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

Area under the force displacement graph gives

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 work performed on an object does not depend on:

Work done by the force of friction is always

Work is a Quantity

A solar cell converts energy of the Sun into:

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:

When force and displacement are perpendicular to each other than work is equal to

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

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 the direction of motion will be:

Energy stored in the spring of a watch is called

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

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

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

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

Work has the dimension as that of:

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

The tidal energy is due to gravitational pull of :

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

Work is a scalar product of

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

Work done is independent of path followed in _______

When velocity of moving body is doubled, the quantity which is also doubled is its:

Work is a:

1 J = ________?

The types of mechanical energy is/are:

Work is a:

Which one is conservative force

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

SI Unit of work is

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