JEE · NEET Previous Year Question

First overtone frequency of a closed pipe of length is equal to the harmonic frequency of an open pipe of length . The ratio

Topic: JEE PYQ

Answer: A. Full step-by-step solution below.

  1. A
  2. B
  3. C
  4. D

Correct answer: A

Solution

(a) First overtone frequency
(i.e, harmonic) of the closed pipe of length is
(where is the speed of sound in air)
and harmonic frequency of the open pipe of length is

As per question
or

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