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MHT CET Physics question

PhysicsWavesMHT CET

A uniform wire of linear density when stretched between two rigid supports with a tension N, resonates with a frequency of 420 Hz. The next harmonic frequency with which the wire resonates is 490 Hz. The length of the wire (in metre) is

Answer: (B)

Solution

and successive harmonics differ by

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Question ID VK-070255