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Question

The speed of light in a medium of refractive index 54 is about

54 अपवर्तनांक के एक माध्यम में प्रकाश की चाल लगभग है

A
2 × 108 m/s
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B
2.4 × 108 m/s
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C
1.25 × 108 m/s
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D
3 × 108 m/s
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Solution

The correct option is B 2.4 × 108 m/s
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