A ray of light is passing through a medium of refractive index 1.5. Calculate the speed of light in this medium if the speed of light in vacuum is 3 x 100000000 m/s.
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Answer:
Refractive index (n) =velocity of light in vacuum /velocity of light in a medium
Where,
Velocity of light in a medium =
Velocity of light / refractive index
= 3×10 ^8 /1.5
=2×10^8 ms-1
Hope you understand that problem
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