Physics
Grade-7
Easy
Question
Longitudinal waves are those ___.
- In which the particles of the medium vibrate along the direction of motion of the wave
- In which the particles of the medium vibrate perpendicular to the direction of motion of the wave
- Which does not require a material medium for their propagation
- None of the above
Hint:
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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