Q6 If the refractive index of glass is 1.5 ,and speed of light in vacuum is
3x1000000000m/s, find the velocity of medium.
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Answer:
velocity v in a medium.of refractive index n
v=c/n
c=3×10^8
that is 3 and 8 zeroes as number you have written 9 zeroes (that's wrong)
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