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A wire of density 9 xx 10^(3) kg//m^(3) ...

A wire of density `9 xx 10^(3) kg//m^(3)` is stretched between two clamps ` 1m` apart and is stretched to an extension of `4.9 xx 10^(-4) m`. Young's modulus of material is `9 xx 10^(10) N//m^(2)`.

A

The lowest frequency of standing wave is 35 Hz

B

The frequency of 1st overtone is 70Hz

C

The frequency of 1st overtone is 105 Hz

D

The lowest frequency of standing wave is 70Hz

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The correct Answer is:
A, B
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