Question

Explain briefly, with the help of neat labeled diagram, how white light gets dispersed by
a prism.

Answer 1

Answer:

When white light is incident on the first surface of a prism and enters in glass, light of different colours due to different speeds in glass, is refracted or deviated through different angles. Thus the dispersion of white light into its constituent colours takes place at the first surface of prism.

Answer 2

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