Physics Group - I (3110011) MCQs

MCQs of Waves, Motion and Acoustics

Showing 31 to 34 out of 34 Questions
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31.
The time gap between the initial direct sound and the reflected sound up to a minimum audibility level is called
(a) reverberation time
(b) absorption time
(c) Sabine
(d) reflection time
Answer:

Option (a)

32.
It is a degree of sensation (awareness) produced on ear.
(a) Pitch
(b) Amplitude
(c) Loudness
(d) Timbre
Answer:

Option (c)

33.
T = 0.167 VΣ a S is called the
(a) Sabine formula
(b) Loudness equation
(c) time period equation
(d) Weber equation
Answer:

Option (a)

34.
For good acoustics, sound absorbing material must possess
(a) they should be easily available
(b) they should be highly porous
(c) they should be easy to fix
(d) all of these
Answer:

Option (d)

Showing 31 to 34 out of 34 Questions
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