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A wire of linear mass density 9x10^(-3) ...

A wire of linear mass density `9x10^(-3) kg/m` is stretched between two rigid supports under a tension of 360 N. The wire resonates at frequency 210 Hz. The next higher frequency at which the same wire resonates is 280 Hz. The number of loops produced in first case will be-

A

1

B

2

C

3

D

4

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The correct Answer is:
C
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