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Question 98Asked in RRB JE CBT-1, 18 Dec 2024, Shift 2 (12:45 PM)

Why do stars appear to twinkle when viewed from the Earth?

  1. ARefraction in the Earth’s atmosphere
  2. BDiffraction by clouds
  3. CReflection in the atmosphere
  4. DScattering by particles
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Correct answer: (A) Refraction in the Earth’s atmosphere

From RRB JE CBT-1 PYQ 18 Dec 2024, Shift 2 (12:45 PM)

This is question 98 of RRB JE CBT-1 PYQ 18 Dec 2024, Shift 2 (12:45 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.