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A composite wire is made by joining two ...

A composite wire is made by joining two uniform wires. If `l_1 = l_2= l` and ` mu_1 = mu_2 /9 = mu`. Tension in the strings is T , `mu` is mass per unit length. Then lowest frequency such that the junction is an antinode.

A

`(1)/(2l) sqrt(T/mu)`

B

`(1)/(l) sqrt(T/mu)`

C

`(4)/(l) sqrt(T/mu)`

D

`(2)/(l) sqrt(T/mu)`

Text Solution

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The correct Answer is:
A
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