1.

A string of length L consists of two distinct sections. The left half has linear mass density mu_1 = mu_0 // 2while the right half has linear mass density mu_2 = 3mu_0. Tension in the string is F_0 . The time required for a transverse wave pulse to travel from one end of the string to the other is

Answer»

`L.4 sqrt((mu_0)/(F_0)) (sqrt2 + SQRT6)`
`L/2 sqrt((2mu_0)/(F_0)) (1+ SQRT3) `
`L/2 sqrt((mu_0)/(2F_0)) (sqrt2 + sqrt 6)`
`L/2 sqrt((mu_0)/(2F_0))(1 + sqrt6)`

Answer :D


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