Question

why do we need a medium to make sound travel ? name such mediums and compare their ability to propagate sound.​

Answer 1

Answer:

sound needs a medium to travel because it can't travel through vacuum . This is because sound travels by producing vibrations in the molecules of the medium surrounding it .

Explanation:

Name of such mediums are:solid, liquid or gas.

Answer 2

Answer:

Sound need medium to travel because sound moves to and fro and transfer its energy from one particle to another .So for transferring energy it needs medium.

Medium can be solid , liquid and gas .

Sound travel faster in solid , medium in liquid and least in gases.

Hope it helps you .