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

Question # 2

Tick the conservative force

Question # 3

The tidal energy is due to gravitational pull of :

Question # 4

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

Question # 5

Work has the dimension as that of:

Question # 6

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

Question # 7

Energy stored in the spring of a watch is called

Question # 8

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

Question # 9

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

Question # 10

Work is a Quantity

Question # 11

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

Question # 12

The commercial unit of electrical energy is :

Question # 13

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

Question # 14

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

Question # 15

Maximum work is done when force and displacement are

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 Work has a dimension as that of:
A. Torque
B. Angular momentum
C. Linear momentum
D. Power
2 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
3 Escape velocity from surface of Moon as compared to that from Earth surface is:
A. Greater
B. Smaller
C. Equal
D. None of thes
4 Work has the dimensions as that of
A. Torque
B. Angular momentum
C. Linear momentum
D. Power
5 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
6 When two protons are brought are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
7 The tidal energy is due to gravitational pull of :
A. sun
B. moon
C. Mars
D. None of these
8 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
9 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
10 A solar cell converts energy of the Sun into:
A. Heat energy
B. Magnetic energy
C. Light energy
D. Sound energy

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