A pipe open at both ends of length 1.5 m is dipped in water such that the second overtone of vibrating air column is resonating with a tuning fork of frequency 330 Hz . If speed of sound in air is 330

Question

A pipe open at both ends of length 1.5 m is dipped in water such that the second overtone of vibrating air column is resonating with a tuning fork of frequency 330 Hz . If speed of sound in air is 330 m / s then the length of the pipe immersed in water is (Neglect end correction)

TestHub · Accepted Answer

Let the length of the pipe immersed in water is ℓ Now it becomes closed pipe, then second overtone ​ 4 ( 1.5 − ℓ ) 5 v ​ = 330 ℓ = 1.5 − 1.25 = 0.25 m ​

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