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

When a falling body hits ground, its KE changes to _____ energy.

Question # 2

Work has the dimension as that of:

Question # 3

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

Question # 4

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

Question # 5

The unit of work in CGS system is

Question # 6

Work is product of:

Question # 7

Work done is maximum when angle between force and displacement is:

Question # 8

Work has a dimension as that of:

Question # 9

Tick the conservation force:

Question # 10

Tick the conservative force

Question # 11

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

Question # 12

The work performed on an object does not depend on:

Question # 13

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

Question # 14

Work is a:

Question # 15

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

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 The consumption of energy by a 60 W bulb in 2 minutes is:
A. 2 watt-hour
B. 120 watt-hour
C. 30 watt-hour
D. None of these
2 The work done by a force, keeping an object in circular motion with constant speed is:
A. Zero J
B. 1 J
C. 0.1 J
D. 0.01 J
3 The types of mechanical energy is/are:
A. Kinetic energy
B. Potential energy
C. Both of these
D. None of these
4 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
5 SI Unit of work is
A. Nm-1
B. Joule
C. Nms
D. Both a and b
6 Work is a:
A. Scalar quantity
B. Vector quantity
C. Base quantity
D. None of these
7 The commercial unit of electrical energy is :
A. K Watt
B. KWH
C. Horse power
D. Joule
8 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
9 Work done on a body by gravity in lifting it up to certain height is
A. Maximum
B. Minimum
C. Zero
D. Negative
10 Watt x second is unit of:
A. Force
B. Work
C. Power
D. None of these

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