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Two tuning forks have frequencies 380 an...

Two tuning forks have frequencies 380 and 384 Hz respectively. When they are sounded together they
produce 4 beats. After hearing the maximum sound how long will it take to hear the minimum sound

A

` (1)/(2) s `

B

` (1)/(4) s `

C

` (1)/(8)s `

D

` (1)/( 16)s`

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The correct Answer is:
A
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