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MHT CET 2019 (2 May, Shift 1) · Organ Pipes & Resonance Tube

Organ Pipes & Resonance Tube question from MHT CET 2019 (2 May, Shift 1)

Q100MHT CET 2019 · 2 MAY · SHIFT 1Medium

Organ Pipes & Resonance Tube

In a fundamental mode,the time required for the sound wave to reach upto the closed end of a pipe filled with air is ' $t$ ' second. The frequency of vibration of air column is

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Answer: (d)

Fundamental of closed pipe: $f = \frac{v}{4L}$ .
Time to travel the pipe length: $t = \frac{L}{v}$ .
$f = \frac{1}{4t} = (4t)^{-1}$
So the answer is (d) $(4t)^{-1}$ .

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