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Two strings A and B of lengths,LA=80 cm ...

Two strings A and B of lengths,`L_A=80 cm` and `L_B=x cm` respectively are used separately in a sonometer. The ratio of their densities `(rho_A//rho_B)` is 0.81. The diameter of B is one-half that of A.if the strings have the same tension and fundamental frequency the value of x is

A

33

B

102

C

144

D

130

Text Solution

Verified by Experts

The correct Answer is:
C
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