What is the speed of light in a medium having refractive index 2 ?
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Answer:
If the speed of light in a vacuum is c, and the speed of light in the medium is v < c, then the refractive index of the medium is c/v.
It is usually acceptable to express speed in terms of the speed of light.
v = c/n
So, for n = 2, v = “half lightspeed” = 0.5c
Just do 1/n and write “c” after it.
Answered by
2
Answer:
The index of refraction is equal to the speed of light in a medium divided by the speed of light in a vacuum. We can find the time to travel a given distance by manipulating this equation and combining it with the equation for rate. Plug in the given values and solve for the velocity in the medium.
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