A ray of light is traveling in water with a speed of 2.25*10^8 m/s and light enters in to the glass with a speed of 2*10^8 m/s. find the refractive index of the glass ?
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Answer:
Speed of light in vacuum = 3.0×10
8
m/s
Speed of light in water = 2.25×10
8
m/s
Refractive index of water = ?
We know that
Refractive index of water =
Speed of light in water
Speed of light in vacuum
Refractive index of water =
2.25×10
8
3×10
8
=1.33
Explanation:
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