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Light enters from air to glass having refractive index 1.50. What is the speed of light in the glass? The speed of light in vacuum is 3 x 108 m/s. |
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Answer» Given: speed of light in vacuum(c) = 3 x 108 m/s Refractive index of glass (µg) = 1.50 We have, Speed of light in glass (ν) = \(\frac{c}{\mu_g}\) = \(\frac{3 \times 10^8}{1.50}\) ∴ ν = 2 x 108 m/s |
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