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  9. Q27

RRB Group D (Level-1 posts) 2022 · Question 27 of 598

A fine beam of light becomes visible when it enters a smoke-filled room due to:

  1. Ascattering of lightCorrect
  2. Brefraction of light
  3. Cdispersion of light
  4. Dreflection of light

Answer: A. scattering of light

Explanation

Scattering of light occurs when particles in the air (smoke particles in this case) redirect the beam in various directions, making the light visible to the eye.

Source: RRB Group D 2022 Prev. Yr. Paper (17 Aug 2022) (Shift 1) - FreshersNow · reliable-secondary

← Q26View full paper (598 questions)Q28 →

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