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  9. Q121

BPSC (Bihar PCS) 2022 · Question 121 of 150

The speed of light will be minimum while passing through

General Science

  1. Avacuum
  2. Bair
  3. CglassCorrect
  4. Dwater
  5. ENone of the above/More than one of the above

Answer: C. glass

Explanation

Glass has the highest refractive index among the options, so light is slowest in it.

Source: 67th BPSC Prelims Re-Exam 2022 (Set D)

← Q120View full paper (150 questions)Q122 →

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