Physics SSC CGL Questions

Physics

Physics MCQ Questions

1.
Gold and copper happen to absorb __________ and violet light, leaving yellow light.
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A.
green
B.
blue
C.
red
D.
orange
ANSWER :
B. blue
2.
The _________ radiation belts are giant swaths of magnetically trapped highly energetic charged particles that surround Earth.
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A.
Van Allen
B.
Aurora
C.
Kuiper
D.
Chinook
ANSWER :
A. Van Allen
3.

The range of _________ force is of the order of \({10^{-16}}\,\text{m}\).
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A.

electromagnetic

B.

gravitational

C.

strong nuclear

D.

weak nuclear

ANSWER :
D. weak nuclear
4.
Which of the following is the physical quantity for the expression arc/radius?
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A.
Surface tension
B.
Velocity
C.
Linear momentum
D.
Plane angle
ANSWER :
D. Plane angle
5.

What is the power of ‘second’ in the SI unit of acceleration?
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A.

+1

B.

–1

C.

–2

D.

0

ANSWER :
C. –2
6.
The rate of doing work is called:
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A.
impulse
B.
force
C.
power
D.
energy
ANSWER :
C. power