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Railways PYQCBT 1 2016

RRB NTPC · Question 33

What does Prism do? A. Reflects light. B. It prevents light from passing through. C. It scatters the light passing through it. D. It refracts light from its path.

  1. C

  2. D

  3. B

  4. A

Show answer & explanation

Answer: (B) D

Explanation

A prism refracts (bends) light passing through it; because different colours bend by different amounts, it also disperses white light into a spectrum.