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MHT CET Physics question

PhysicsWavesMHT CET

A glass tube of 1 m length is filled with water. The water can be drained out slowly from the bottom of the tube. If vibrating tuning fork of frequency 500 Hz is brought at the upper end of the tube then total number of resonances obtained are [Velocity of sound in air is 320 m s] [MHT-CET 2021]

Answer: (A)

Solution

m; resonances occur at m, m and m,

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Question ID VK-070570