Home PYQs UPPSC UPPSC MCQs Prelims 1996 (GS Paper I)

Question

The diamond appears lustrous because of:

  1. Reflection
  2. Refraction
  3. Total Internal Reflection
  4. Scattering

Answer:

Option C: Total Internal Reflection

Detailed Solution:

The correct answer is “Total Internal Reflection”.

The unique arrangement of carbon atoms in a diamond causes light to undergo total internal reflection multiple times before exiting the diamond, creating a brilliant and sparkling effect.