Question

what is wave?write any two types of waves
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Answer 1

Answer:

A wave is a kind of oscillation (disturbance) that travels through space and matter. Wave motions transfer energy from one place to another.

Waves come in two kinds, longitudinal and transverse. Transverse waves are like those on water, with the surface going up and down, and longitudinal waves are like of those of sound, consisting of alternating compressions and rarefactions in a medium.

Answer 2

Answer:

Wave is something that moves from forth to back and left to right.

Radio waves, ultraviolet rays, surface wave...etc..

hope it helps you