Physics SSC CGL Questions

SSC CGL-General Awareness

Physics MCQ Questions


7.
Decrease in which of the following factors leads to an increase in the rate of evaporation?
SSC CGL 2021-20.04.2022-3
A.
Ambient temperature
B.
Humidity
C.
Area of the free surface of the liquid concerned
D.
Wind speed above the surface of the liquid
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ANSWER :
B. Humidity
8.
The ________ lies above the mesopause and is a region in which temperatures increase with height.
SSC CGL 2021-20.04.2022-2
A.
stratosphere
B.
exosphere
C.
thermosphere
D.
troposphere
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ANSWER :
C. thermosphere
9.
What is the unit of specific resistance?
SSC CGL 2024-26.9.2024-3
A.
Farad
B.
Ampere
C.
Coulomb
D.
Ohm meter
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ANSWER :
D. Ohm meter
10.
If a bar magnet is hung from a string, in which direction does its north pole point?
SSC CGL 2024-26.9.2024-2
A.
West
B.
North
C.
East
D.
South
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ANSWER :
B. North
11.
In the context of vernier calliper, an internal jaw is used to measure:
SSC CGL 2024-26.9.2024-2
A.
the length correct up to 1 mm
B.
the depth of a beaker
C.
the length of a rod and diameter of a sphere
D.
the internal diameter of a hollow cylinder and pipes
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ANSWER :
D. the internal diameter of a hollow cylinder and pipes
12.
Which of the following statements is NOT correct?
SSC CGL 2024-26.9.2024-1
A.
Light year is the unit of distance.
B.
Light year is the distance travelled by light in one year.
C.
Light year is the unit of time.
D.
Angstrom is unit of length.
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ANSWER :
C. Light year is the unit of time.