Name the type of wave produced when a tuning fork is struck in air.

Name the two types of waves which can be generated in a long flexible spring (or slinky).

A stone is dropped on the surface of water in a pond. Name the type of waves produced.

What is the general name of the waves consisting of :

(a) compressions and rarefactions?

(b) crests and troughs?

State the general name of the waves on which the particles of the medium vibrate:

(i) in the same direction as wave.

(ii) at right angles to the direction of wave.