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A wave completes 20 vibrations in 2.5 s....

A wave completes 20 vibrations in 2.5 s. Its frequency is

A

20 Hz

B

8 Hz

C

200 Hz

D

50 Hz

Text Solution

Verified by Experts

The correct Answer is:
B
`n = 20/(2.5) = 200/2.5 = 8 Hz`
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