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JIPMER2004PhysicsWaves and Sound

A resonance air column of length 40 cm resonates with a tuning fork of frequency 450 Hz . Ignoring end correction, the velocity of sound in air will be

Options

  1. A1020 ~m / s
  2. B920 ~m / s
  3. C820 ~m / s
  4. D720 ~m / s

Correct answer

D. 720 ~m / s

Step-by-step solution

Here : Length of column =40 ~cm =0.4 ~m Frequency of tuning fork =450 ~Hz Using the formula n= v 4 l or aligned v & =450 4 0.4 & =720 ~m / s aligned

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