Mechanical and Nonmechanical Waves

How do sound waves differ from radio waves?

What is an elastic wave?

Can sound waves propagate through (i) solids (ii) liquids (iii) gases?

Light waves are electromagnetic waves.

Do electromagnetic waves need any medium to travel?

How do sound waves differ from electromagnetic waves?

How do mechanical waves differ from electromagnetic waves?

What are electromagnetic waves? Give examples.

What are mechanical and nonmechanical waves?

How do sound waves differ from radio waves?

What is the main difference between a mechanical wave and a nonmechanical wave?

What is elastic wave?

Two person talk to each other on the surface of moon. Will they be able to hear each other?