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JEE Main20254 Apr 2025Morning ShiftPhysicsWaves and SoundActual

In an experiment with a closed organ pipe, it is filled with water by ( 1 5 ) th of its volume. The frequency of the fundamental note will change by

Options

  1. A25 %
  2. B20 %
  3. C-20 %
  4. D-25 %

Correct answer

A. 25 %

Step-by-step solution

₁=4 f ₁= v 4 aligned & ₂= 16 5 & f ₂= 5 ~V 16 & f f = V ( 1 16 ) V 4 100=25 % aligned

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