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

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

Question # 2

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

Question # 3

The tidal energy is produced due to rotation of Earth relative to:

Question # 4

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

Question # 5

Work is a Quantity

Question # 6

The commercial unit of electrical energy is :

Question # 7

The ultimate source of money sources of energy is:

Question # 8

Work done on a body by gravity in lifting it up to certain height is

Question # 9

Watt x second is unit of:

Question # 10

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

Question # 11

Work is product of:

Question # 12

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

Question # 13

The work done on the body will be zero if:

Question # 14

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

Question # 15

A solar cell is made from:

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 SI Unit of work is
A. Nm-1
B. Joule
C. Nms
D. Both a and b
2 1 J = ________?
A. 107erges
B. 10-7erges
C. 105erges
D. 10-5erges
3 The commercial unit of electrical energy is :
A. K Watt
B. KWH
C. Horse power
D. Joule
4 Work done is independent of path followed in _______
A. Gravitational field
B. Magnetic field
C. Electric field
D. All of these
5 The field in which work done is moving body between two points depends upon the path followed is called:
A. Conservative filed
B. Non-conservative field
C. Electric field
D. None of these
6 A 2 kg block is held 1 m above floor for 50 seconds. The work done is:
A. Zero
B. 10.2 J
C. 100 J
D. 980 J
7 The field in which work done in moving a body between two points depends upon the path followed is called:
A. Conservative field
B. Non-conservative field
C. Electric field
D. None of these
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 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
10 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

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