If the refractive index of water with respect to glass is 8/9 and speed of light in water is 2.25 X 108 m/s, find the speed of light in 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
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