Question

Why does the white light on the first refracting face of prism split?

Answer 1

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Explanation:

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

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Answer 2

Answer:

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