Sound Needs A Medium

Does sound need a medium to travel? Describe an activity to show that sound is a mechanical wave and need a material medium for its propagation.

Give an activity to show that sopund needs medium to be heard.

Assertion (A): Sound cannot be propagated on the moon. Reason (R) : Sound requires a medium to propagate

The speed of sound in a medium depends on

Sound needs a ___________ to travel.

Find relationship between speed of sound in a medium (v), the elastic constant (E) and the density of the medium (rho) .