Work, Energy and Power UPSC Questions

Physics

Work, Energy and Power MCQ Questions


1.
The capacity to do work is
A.
Energy
B.
Force
C.
Speed
D.
Motion
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ANSWER :
A. Energy
2.
Which of the following is/are physical quantity?
A.
Power
B.
Energy
C.
Work
D.
All the above
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ANSWER :
D. All the above
3.
The SI unit of work is
A.
Joule
B.
Ampere
C.
Candela
D.
Watt
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ANSWER :
A. Joule
4.

The SI unit of spring constant is

A.

Nm

B.

Nm-1

C.

N

D.

W

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ANSWER :

B. Nm-1

5.
Which is the type of collision in which both the linear momentum and the kinetic energy of the system remain conserved?
A.
Destructive collision
B.
Inelastic collision
C.
Elastic collision
D.
None of the above
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ANSWER :
C. Elastic collision
6.
 The energy possessed by the body by virtue of its motion is known as?
A.
Chemical energy
B.
Kinetic energy
C.
Thermal energy
D.
Potential energy
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ANSWER :
B. Kinetic energy