Name two phenomena that can be explained on the basis of surface tension.

What phenomena of light can be explained on the basis of particle theory of light?

What is atmospheric refraction ? List two phenomena which can be explained on the basis of atmospheric refraction.

What phenomena of light can be explained on the basis of wave theory of light

Write two units of surface tension .

The photoelectric effect can be explained on the basis of

The blue colour of sky can be explained on the basis of