Physics SSC CGL Questions

SSC CGL-General Awareness

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