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MHT CET 2022 Physics question

PhysicsWavesMHT CET 2022

In resonance tube experiment, the first and second resonance are heard when water level is 24.1 cm and 74.1 cm respectively, below the open end of the tube. The inner diameter of the tube is

Answer: (A)

Solution

Let cm and cm, and let be the end correction. Then and . Subtracting: cm, so cm and

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Question ID VK-093488