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  9. Q100

UPPSC PCS 2017 · Question 100 of 149

A cut diamond shines brilliantly due to:

Science

  1. Asome inherent property
  2. Btotal internal reflectionCorrect
  3. Cits molecular structure
  4. Dabsorption of light

Answer: B. total internal reflection

Explanation

A cut diamond shines with more scintillation due to total internal reflection. A diamond is cut in such a way that when a ray of light enters it, it undergoes a complete transformation of light due to its low critical angle.

Source: edurev.in UPPSC Prelims 2017 GS Paper I with Answer Key and Solutions

← Q99View full paper (149 questions)Q101 →

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