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A metal string is fixed between rigid su...

A metal string is fixed between rigid supports. It is initially at negligible tensin. Its Young modulus is `Y`, density `rho` and coefficient of thermal expansion is `alpha`. If it is now cooled through a temperature `=t`, transverse waves will move along it with speed

A

`Ysqrt(alphat//rho)`

B

`alphatsqrt(Y//rho)`

C

`sqrt(Y alpha t//rho)`

D

`t sqrt(Yalpha//rho)`

Text Solution

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The correct Answer is:
C
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