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Light Reflection and Refraction
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15/08/2021 1:20 pm
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What is the speed of light in a medium of refractive index 6/5 if its speed in air is 3,00,000 km/s?
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15/08/2021 1:24 pm
Refractive index of medium = \(\frac{6}{5}\) = 1.2
Speed of light in air = 3,00,000 km/s
We know that
Refractive index of medium = \(\frac{speed\;of\;light\;in\;air}{Speed\;of\;light\;in\;medium}\)
1.2 = \(\frac{300000}{Speed\;of\;light\;in\;medium}\)
Speed of light in medium = 250000 k m/s