Sunlight: White or Coloured

${\lambda }_R$ and ${\lambda }_V$ are wavelengths of red and violet lights. Choose the correct option.

Red and orange are spectral colours.

What are the seven colours of the rainbow?

Primary colours of light are

What is the white light?
 

How many colours consists in white light?

What are the constituent colours?

What is special about white light?

Why the sunlight is referred to as white light?

The danger signals installed at the top of tall buildings are red. These can be easily seen from a distance because among all other colours, the red light

When white light passes through the prism, colour which deviates the least is:

Explain with an activity to show that white light consists of seven colours by drawing a diagram of the prism.

(A) When white light passed through a glass prism, why does dispersion occur?
(B) Describe an activity to show that the colours of white light split by a glass prism can be recombined to get white light by another identical glass prism.

What do the Seven Colours of the Rainbow Mean? How Does a Rainbow Get its Colours?

Explain the Step-by-Step process that takes place in the formation of Rainbow.

Write the name of the shape.

Name the device which is used to split white light into seven colours.

(Choose from: Telescope/Glass prism)

Rainbow is a natural phenomenon that is formed due to the dispersion of light.

The angle of deviation of light ray in a prism depends on the angle of prism and angle of _____.

Fill half a bowl with water. Now place the mirror strip in the bowl as shown in the picture. Now keep it facing the sun so that the sun rays fall on the mirror strip. The light reflected by the mirror should now reflect on a white wall.

What can you see on the wall?