Name the colour of light which is deviated the most:

Name the colour of white light which is deviated (i) the most, and (ii) the least, on passing through a prism.

A ray of white light is passed through a glass prism and 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 of the colour of the spectrum of white light deviates (i) the most, (ii) the least ?