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Question


Sound can travel through _____________.


Options:
A .    gases only
B .   vacuum
C .   liquids and gases only
D .   solids, liquids and gases
Answer: Option D
:
D

A mechanical wave requires medium to propagate. Hence, it is not capable of transmitting its energy through vacuum.
A sound wave is an example of mechanical wave.
It can propagate through all the three mediums solids, liquids and gases. However, it is incapable of travelling through vacuum.



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