Name a wave that can travel through vacuum.

Show compressions and rarefactions in a longitudinal wave.

Why do water waves die after some time?

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

Sound can travel through solid, liquid and gas. In which medium is its speed the maximum?

Sound travels through solid, liquid and gas. In which medium is its speed the minimum?

How is wave velocity related to wavelength and frequency?

Expand the term SONAR.

What is elastic wave?