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  9. Q92

HPPSC HPAS 2018 · Question 92 of 92

Which of the following phenomena is responsible for twinkling of stars?

General Science

  1. AReflection of starlight
  2. BRefraction of starlightCorrect
  3. CDispersion of starlight
  4. DTyndall effect

Answer: B. Refraction of starlight

Explanation

Stars twinkle due to atmospheric refraction of starlight through air layers of varying density.

Source: HPPSC HPAS (Pre) 2018 GS Paper-I (exampyq/doorsteptutor official paper)

← Q91View full paper (92 questions)

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