Question

sound can be reflected from
a) liquids
b) gases
c) hard surface
d) all of these​

Answer 1

Answer:

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Answer 2

Answer:

Sound is created from the vibrations of the object. Sound is a pressure wave that and it is created when objects causes vibrations in the surrounding medium i.e. when object is placed from one place to another place, it causes collaboration with air molecules present in the surroundings. This produces sound.

Sound is a vibration which needs a transmission medium. It can be solid, liquid or gases.

So, sound can be reflected from all of these​.