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  9. Q87

UKPSC PCS 2025 · Question 87 of 150

Consider the following statements: Statement I: Light travels faster in air than in water. Statement II: Refractive index of air is greater than that of water.

Science & Tech

  1. AStatement I is correct, statement II is wrongCorrect
  2. BStatement I is wrong, statement II is correct
  3. CBoth statements are correct, statement II is the correct explanation of statement I
  4. DBoth statements are correct, statement II is not the correct explanation of statement I

Answer: A. Statement I is correct, statement II is wrong

Explanation

Light travels faster in air than water; the refractive index of water is greater than that of air, so statement II is wrong.

Source: UKPSC Combined Upper PCS Prelims 2025 GS (Paper-I) held 29-Jun-2025, Series-A (SDJ), via teachingninja.in; answers from UKPSC provisional answer key Series A (prepp.in)

← Q86View full paper (150 questions)Q88 →

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