Sound UPSC Questions

Physics

Sound MCQ Questions


1.
The back and forth motion of an object is called ______
A.
Vibration
B.
Translation
C.
Linear motion
D.
Rotation
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ANSWER :
A. Vibration
2.
In addition to fingerprint scanning, which of the following can be used in the biometric identification of a person?
1. Iris scanning
2. Retinal scanning
3. Voice recognition
Select the correct answer using the code given below.
UPSC - 2014
A.
1 only
B.
2 and 3 only
C.
1 and 3 only
D.
1, 2 and 3
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ANSWER :
D. 1, 2 and 3
3.
The number of oscillations per second is called as _______
A.
Time Period
B.
Speed
C.
Frequency
D.
Amplitude
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ANSWER :
C. Frequency
4.
The frequency is expressed in______
A.
Degree
B.
Gram
C.
Kilogram
D.
Hertz
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ANSWER :
D. Hertz
5.
Which of the following is correct about sound
(i) Sound is produced by vibrating objects.
(ii) Sound travels through a medium.
(iii) Larger the amplitude of the vibration, the louder the sound.
(iv) Sound cannot travel through a vacuum.
A.
(i), (ii) & (iii) only
B.
Only (ii), (iii) & (iv)
C.
All the above
D.
None of the above
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ANSWER :
C. All the above
6.
Match the following
List I - Musical Instruments List II - Vibrating Parts
a) Veena 1.) Stretched Membrane
b) Tabla 2.) Stretched Strings
c) Flute 3.) Whole Body
d) Manjira 4.) Air Column
A.
a-2, b-1, c-4, d-3
B.
a-1, b-2, c-3, d-4
C.
a-4, b-3, c-2, d-1
D.
a-2, b-1, c-3, d-4
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ANSWER :
A. a-2, b-1, c-4, d-3