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The equation of a progressive wave can b...

The equation of a progressive wave can be given by Y = 15 sin (`660pit- 0.02pix`) cm. The frequency of the wave is

A

330 Hz

B

342 Hz

C

365 Hz

D

660 Hz

Text Solution

Verified by Experts

The correct Answer is:
A
`y=15sin(660pit-0.02pix)`
The general equation of progressive wave is
`y(x,t)=Asin((2pi)/Tt-(2pi)lamdax)`
`therefore(2pi)/T=660piorI/T=330s^(-1)` or v=330Hz
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