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Tamil Nadu Board of Secondary EducationHSC Science Class 12

Why do stars twinkle? - Physics

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Question

Why do stars twinkle?

Short Note

Solution

  1. Light from the stars near the horizon reaches the earth obliquely through the atmosphere.
  2. It’s path changes due to refraction.
  3. Frequent atmosphere disturbances changes the path of light causes twinkling of stars.
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Chapter 6: Ray Optics - Evaluation [Page 49]

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Samacheer Kalvi Physics - Volume 1 and 2 [English] Class 12 TN Board
Chapter 6 Ray Optics
Evaluation | Q 10. | Page 49

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