ECAT Pre Computer Science Chapter 4 MCQ Test With Answer

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

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

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ECAT Physics Chapter 4 Work and Energy

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Question # 1

Work is a scalar product of

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Work is a Quantity

Question # 9

Energy stored in the spring of a watch is called

Question # 10

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:

Question # 11

A two Kg block is held 1 m above the floor for 50 seconds, the work done is:

Question # 12

The ultimate source of money sources of energy is:

Question # 13

The work performed on an object does not depend on:

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 A field in which the work done in moving a body along closed path is zero is called
A. Nuclear Field
B. Conservative field
C. Gravitational field
D. Non-conservative field
2 Tick the conservation force:
A. Tension in a string
B. Air resistance force
C. Elastic spring
D. Frictional force
3 Teh consumption of energy by a 1000 watt heater in half an hour is:
A. 5 Kwh
B. 0.5 Kwh
C. 2.5 Kwh
D. 3.2 Kwh
4 Work done on a body by gravity in lifting it up to certain height is
A. Maximum
B. Minimum
C. Zero
D. Negative
5 When a body moves against the force of friction on a horizontal plane, the work done by the body is:
A. Positive
B. Negative
C. Zero
D. None of these
6 Most of the geysers occur in:
A. Volcanic regions
B. Magnetic regions
C. Northern region
D. None of these
7 The energy stored int he water of the dam is:
A. Electric energy
B. Kinetic energy
C. Potential energy
D. None of these
8 Which force is not a conservative force:
A. Frictional force
B. Gravitational force
C. Electric force
D. Elastic spring force
9 Work is a always done on a body when
A. A force acts on it
B. It moves through certain distance
C. None of A or B is correct
D. Both A and B are correct
10 Which one is conservative force
A. Electric force
B. Frictional force
C. Normal force
D. Air resistance

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