The equation of standing wave is y=0.1co...

The equation of standing wave is `y=0.1cos(pix)sin(200pit)`. What is the frequency of the wave?

100 Hz

50 Hz

25 Hz

200 Hz

Text Solution

Verified by Experts

The correct Answer is:

Given equations of standing wave is y=0.1cos`(pix)sin(200pit)`.
Comparing with
`y=2Acos((2pix)/(lamda))sin((2pit)/(T))`
we get `(2pit)/(T)=200pit`
`thereforeT=(1)/(100)`
`thereforev=100Hz`

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