Oscillation and Waves UPSC Questions

Physics

Oscillation and Waves MCQ Questions


1.
The motion that repeats itself is called as
A.
Periodic motion
B.
Aperiodic or irregular motion
C.
Circular motion
D.
Rotational motion
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ANSWER :
A. Periodic motion
2.
The smallest interval of time after which the motion is repeated is called as
A.
Frequency
B.
Period
C.
Oscillations
D.
None of the above
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ANSWER :
B. Period
3.
Consider the following Activities:
1.Identification of narcotics on passengers at airports or in aircraft
2.Monitoring of Precipitation
3.Tracking the migration of animals
In how many of the above activities can the radars be used?
UPSC - 2024
A.
Only one
B.
Only two
C.
All three
D.
None
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ANSWER :
C. All three
4.
The SI unit of period is
A.
Minute
B.
Meter
C.
Second
D.
Ampere
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ANSWER :
C. Second
5.
"The experiment will employ a trio of spacecraft flying in formation in the shape of an equilateral triangle that has sides one million kilometres long, with lasers shining between the craft." The experiment in question refers to
UPSC - 2020
A.
Voyager-2
B.
New Horizons
C.
LISA Pathfinder
D.
Evolved LISA
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ANSWER :
D. Evolved LISA
6.
One Hertz is equal to
A.
1 s-1
B.
1 m-1
C.
1 cm-1
D.
None of the above
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ANSWER :
A. 1 s-1