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MHT CET Physics question

PhysicsWavesMHT CET

In resonance tube of length 0.8 m, air column vibrates with a source of frequency 375 Hz for a certain height of water from bottom of the tube. Water level corresponding to fundamental frequency is (Neglect end correction, speed of sound in air = 330 m/s) [MHT-CET 2022]

Answer: (B)

Solution

m; the fundamental needs an air column m, so the water height from the bottom is

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Question ID VK-070484