What colours lie on the two sides of the 'green colour' in the spectrum of white light ?

Name the extreme colours in pure spectrum of light.

Name the different colours of light in the proper sequence in the spectrum of white light.

What do you mean by dispersion of light ? What is a spectrum of light? Name the different colours of light in the proper sequence in the spectrum of white light. OR What do you mean by dispersion ? Name the different colours of light in the proper sequence in the spectrum of white light.

Answer the following questions What do you mean by dispersion of light? What is a spectrum of light ? Name the different colours of light in the proper sequence in the spectrum of white light.

Answer the following questions What do you mean by dispersion ? Name the different colours of light in the proper sequence in the spectrum of white light.

How could you show that the colours of the spectrum combine to give white light ?

A ray of white light is passed through a glass prism and a spectrum is obtained on a screen. (a) Name the seven colours of the spectrum in order. (b) Do the colours have the same width in the spectrum ? (c) Which colour of the spectrum of white light deviates (i) the most, (ii) the least?