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  9. Q10

HPSC HCS 2021 · Question 10 of 177

Which of the following does not involve Total Internal Reflection?

Physics

  1. AMirages in Deserts
  2. BKaleidoscopeCorrect
  3. CDiamond Sparkle
  4. DTransmission of light rays in Optical Fibres

Answer: B. Kaleidoscope

Explanation

Mirages, diamond sparkle and optical fibres all rely on total internal reflection; a kaleidoscope works on multiple ordinary reflections.

Source: HPSC HCS (Ex.Br.) Prelims Paper-I (General Studies) held 12-Sep-2021 (exampyq/doorsteptutor compilation); answers per official HPSC answer key

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