Explain the formation of a rainbow.

Based on refraction and total internal reflection explain the formation of rainbow.

Name the process which is involved in the formation of a rainbow.

Prove the following statement : A rainbow is the combined effect ( an exhibition ) of the refraction, dispersion , and total internal reflection of light ( taken together ) . OR With neat labelled diagram, explain how the formation of rainbow occurs.

Which phenomenon/phenomena of light is / are involved in the formation of a rainbow ?

Write the conditions for observing a rainbow Show, by drawing suitable diagrams, how one understands the formation of a rainbow.