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MHT CET202019 Oct 2020Morning ShiftPhysicsWaves and SoundActual

What should be the length of a closed pipe to produce resonance with sound wave of wavelength 62 ~cm , in fundamental mode? [Neglect end correction]

Options

  1. A31 ~cm
  2. B15 5 ~cm
  3. C20 6 ~cm
  4. D46 5 ~cm

Correct answer

B. 15 5 ~cm

Step-by-step solution

(C) In a closed pipe in fundamental mode the length of the pipe is 4 . = 62 4 =15.5 ~cm

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