The Rainbow
The Rainbow: Overview
This topic covers concepts, such as, Formation of Primary Rainbow, Formation of Secondary Rainbow & Total Internal Reflection in Rainbow etc.
Important Questions on The Rainbow
Explain the secondary rainbow.

In the secondary rainbow, how many times the light gets total internally reflected before refracting and leaving the droplet.

In the formation of a rainbow, total internal reflection occurs at the rear of the raindrop- the water-to-air interface.

The formation of the rainbow is a combination of three different phenomena- refraction, _____ and reflection of light.

How a secondary rainbow is different from a primary rainbow?

In the formation of primary rainbow:

Secondary rainbow forms due to

Rainbow is the combined effect of which of the following?

For a formation of secondary rainbow, total internal reflection should happen once.

The formation of the rainbow is a combination of three different phenomena- refraction, _____ and reflection of light.

How many internal reflections take place during the formation of a secondary rainbow?

Red colour is the inner most layer in a secondary rainbow.

Cotyledons are also called-
