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The refractive index of ice is 1.31 and that of water is 1.33. Which of the following statements is in agreement of the above data? 1. The speed of light is greater in ice than in water. 2. The speed of light is same in ice and water. 3. The ratio of speed of light in air and that in water is equal to 1.33. 4. The speed of light in air is 1.31 times the speed of light in ice. Select the correct answer using the codes given below.
Correct Answer: (c)
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This question appeared in the APSC Prelims 2025 examination (GS). It is Question 96 out of 180 questions in this paper.
This question was part of the APSC Prelims 2025 (GS). The APSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all APSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.