Question

State three factors on which the angle of deviation depends.

What are the factors affecting the angle of deviation of a prism?

Name four factors which determine the angle of deviation produced by an equilateral prism.

Answer 1

The value of the angle of deviation (or the deviation produced by a prism) depends on the following four factors:

1. the angle of incidence (i),
2. the material of the prism (i.e., on refractive index μ),
3. the angle of prism (A),
4. the colour or wavelength (λ) of light used.