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When a sound wave of frequency 200 Hz tr...

When a sound wave of frequency 200 Hz travels through a medium, the maximum displacement of a particle of the medium is 0.2 cm. The maximum velocity of the particle is

A

`20 pi cm//s`

B

`40 pi cm//s`

C

`80 pi cm//s`

D

`10 pi cm//s`

Text Solution

Verified by Experts

The correct Answer is:
C
Maximum velocity `= omega A = 2pi n A`
`:. V " max " = 2pi xx 200 xx 0.2 = 80 pi cm//s`
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