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AP EAMCET201724 Apr 2017Morning ShiftPhysicsWaves and SoundActual

A closed pipe is in resonance with a tuning fork at 27^ C when its length is 20 ~cm . If the pipe is to be in resonance with the same tuning fork at 7 ^ C then the change in the length of the pipe required is nearly

Options

  1. A1 ~mm
  2. B7 ~mm
  3. C5 ~mm
  4. D13 ~mm

Correct answer

B. 7 ~mm

Step-by-step solution

No solution. Refer to answer key.

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