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

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

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ECAT Pre General Science Physics Chapter 4 Work and Energy

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Question # 1

The work done on the body will be zero if:

Question # 2

Work done in lower and bucket into the well is:

Question # 3

Power is a :

Question # 4

Work is a

Question # 5

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

Question # 6

A field in which the work done in moving a body along closed path is zero is called

Question # 7

The tidal energy is due to gravitational pull of :

Question # 8

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

Question # 9

Work done is maximum when angle between force and displacement is

Question # 10

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

Question # 11

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

Question # 12

Work is a:

Question # 13

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

Question # 14

Most of the geysers occur in:

Question # 15

Work has the dimensions as that of

Question # 16

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:

Question # 17

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

Question # 18

Tick the conservation force:

Question # 19

Work has a dimension as that of:

Question # 20

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

Question # 21

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

Question # 22

When the body is moves against the force of friction on a horizontal plane, the work done by the body is:

Question # 23

The energy stored int he water of the dam is:

Question # 24

Work done is independent of path followed in _______

Question # 25

Work done by the force of friction is always

Question # 26

Maximum work is done when force and displacement are

Question # 27

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

Question # 28

A 2 kg block is held 1 m above floor for 50 seconds. The work done is:

Question # 29

A solar cell is made from:

Question # 30

Area under the force displacement graph gives

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 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
2 Most of the geysers occur in:
A. Volcanic regions
B. Magnetic regions
C. Northern region
D. None of these
3 If force and displacement are in opposite direction, the work done is taken as:
A. Positive work
B. Negative work
C. Zero work
D. Infinte work
4 The work done in moving a body between two points in a conservative field is independent of the
A. Direction
B. Force applied
C. Path followed by the body
D. Power
5 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
6 Power is a :
A. Vector quantity
B. Base quantity
C. Scalar quantity
D. None of these
7 Which force is not a conservative force:
A. Frictional force
B. Gravitational force
C. Electric force
D. Elastic spring force
8 Work-energy principle states that work done on the body by applied force is equal to change in:
A. Potential energy
B. Kinetic nergy
C. Linear momentum
D. None of these
9 When a wall is pushed by a person very strongly, he has done:
A. Maximum work
B. Zero work
C. Positive work
D. Negative work
10 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:
A. +5 x 101J
B. +5 x 102J
C. +5 x 103J
D. +5 x 104J

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