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Question


Particles in a longitudinal wave vibrate perpendicular to the direction of the wave propagation.


Options:
A .   True
B .   False
C .   Shrillness of sound gets reduced in outer space.
D .   Sound cannot propagate in outer space.
Answer: Option B
:
B

Particles in a longitudinal wave oscillate along the direction of the wave propagation. Sound wave is an example of the longitudinal wave.



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