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NEST2018PhysicsWaves and Sound

A tuning fork is used to set up a wave in a pipe of length L closed at one end (see figure). Then,

Options

  1. Athe wavelength is =3 L / 2 .
  2. BP₃ is a displacement node and the displacement is zero at P₃ .
  3. CP₂ is a pressure node and the pressure is zero at P₂ .
  4. Dthe arrangement can be used to obtain the speed of sound in air.

Correct answer

D. the arrangement can be used to obtain the speed of sound in air.

Step-by-step solution

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