Sound UPSC Questions

Physics

Sound MCQ Questions


7.
The audible range of sound in human beings_______
A.
20Hz to 2000Hz
B.
200Hz to 2000Hz
C.
2Hz to 2000Hz
D.
20Hz to 20,000Hz
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ANSWER :
D. 20Hz to 20,000Hz
8.
In humans, the sound produced by a voice box is known as
A.
Larynx
B.
Tongue
C.
Epiglottis
D.
Trachea
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ANSWER :
A. Larynx
9.
_________ determines the pitch of a sound
A.
Velocity
B.
Source
C.
Frequency
D.
Amplitude
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ANSWER :
C. Frequency
10.
The Unpleasant sound is known as
A.
Music
B.
Noise
C.
Energy
D.
Light
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ANSWER :
B. Noise
11.
SONAR Stands For
A.
Sound Navigation And Ranging
B.
Sound Navigation And Reflection
C.
Sound Navigation And Refraction
D.
Sound Nature And Ranging
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ANSWER :
A. Sound Navigation And Ranging
12.
______ is a device that uses ultrasonic waves to measure the distance, direction and speed of underwater objects.
A.
Spectrometer
B.
Light Detector
C.
SONAR
D.
Submarine
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ANSWER :
C. SONAR