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Question

The speed of light in vacuum is 3 × 108 m/s. The speed of light in a medium of refractive index 1.5 will be

निर्वात में प्रकाश की चाल 3 × 108 m/s है। 1.5 अपवर्तनांक के माध्यम में प्रकाश की चाल होगी

A
1.5 × 108 m/s
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B
2 × 108 m/s
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C
2.25 × 108 m/s
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D
1.75 × 108 m/s
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