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A wire having a linear mass density 5.0x...

A wire having a linear mass density `5.0xx10^(3) kg//m` is stretched between two rigid supports with tension of 450 N. The wire resonates at a frequency of `420 Hz`. The next higher frequency at which the same wire resonates is` 480 N`. The length of the wire is

A

1.4 m

B

2.1 m

C

2.8 m

D

3.5 m

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The correct Answer is:
B
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