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The graph given here shows the frequency...

The graph given here shows the frequency of sound emitted by a source for 30 seconds. For how many seconds a normal human being be able to hear the sound?

A

10 s

B

20 s

C

30 s

D

25 s

Text Solution

Verified by Experts

The correct Answer is:
B
Audible range for human being is 20 Hz to 20 kHz.
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