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MHT CET Physics question

PhysicsWavesMHT CET

A stretched uniform wire of length L under tension T is vibrating with frequency 'n'. A closed pipe of same length is also vibrating with same fundamental frequency 'n'. If T is increased by 16 N, it is in resonance with 2 harmonic of same closed pipe. The initial tension in the wire is [MHT-CET 2022]

Answer: (A)

Solution

The 2nd allowed mode of the closed pipe has frequency ; since ,

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Question ID VK-070485