Physics
Grade-7
Easy

Question

Longitudinal waves are those ___.

  1. In which the particles of the medium vibrate along the direction of motion of the wave
  2. In which the particles of the medium vibrate perpendicular to the direction of motion of the wave
  3. Which does not require a material medium for their propagation
  4. None of the above

hintHint:

In which the particles of the medium vibrate along the direction of motion of the wave

The correct answer is: In which the particles of the medium vibrate along the direction of motion of the wave


    in a longitudinal wave, particles of the medium vibrate back and forth parallel to the direction of the wave.

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