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The standing wave pattern shown in the t...

The standing wave pattern shown in the tube has a wave speed of `5.0 ms^(-1)`. What is the frequency of the standing wave [ in `Hz` approx.] ?

Text Solution

Verified by Experts

The correct Answer is:
`3`
The pattern corresponds to
`l = ( 5 lambda)/(4) = 2.0 m` `lambda = (8)/(5) m`
With speed `v = 5.0 ms^(-1)`
`f = (v)/(lambda) = ( 5 xx 5)/( 8) = 3.1 Hz`
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