A transverse sinusoidal wave is generted at one end of long, horizontal string by a bar that moves up and down through a distance of `1.00 cm`. The motion is continuous and is repreated regularly `120` times per second. The string has linear density `90 gm//m` and is kept under a tension of `900 N`. Find :
What is the maximum power (in watt) transferred along the string.
A. `3.24 pi^(2)`
B. `6.48 pi^(2)`
C. `12.96 pi^(2)`
D. `25.92 pi^(2)`

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1 Answers

Correct Answer - C
`P_(max) = 4pi^(2)f^(2)A^(2)muv = 12.96pi^(2)` watt

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