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A ray of white light is made incident on the refracting surface of a prism such that after refraction at this surface, the green component falls on the second surface at its critical angle. The colours present in the emergent beam will be

Options

  1. Aviolet, indigo and blue.
  2. Bviolet, indigo, blue, yellow, orange and red.
  3. Cyellow, orange and red.
  4. Dall colours

Correct answer

C. yellow, orange and red.

Step-by-step solution

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