How does the angle of deviation produced by a prism depend on the colo

1.	How does the angle of deviation produced by a prism depend on the colour of light used? Which colour of white light is deviated (i) most, (ii) least, by a prism?
Answer» The angle of deviation produced by a prism increases with the decrease in wavelength of the light used. (i) Violet light is deviated most by a prism. (ii) Red light is deviated least by a prism.

How does the angle of deviation produced by a prism depend on the colour of light used? Which colour of white light is deviated (i) most, (ii) least, by a prism?

Answer»

The angle of deviation produced by a prism increases with the decrease in wavelength of the light used.

(i) Violet light is deviated most by a prism.

(ii) Red light is deviated least by a prism.