What is refractive index ? Options: A . &nbspIt is defined as the ratio of speed of light in the medium to the speed of light in vacuum. B . &nbspIt is defined as the product of speed of light in medium and in vacuum. C . &nbspIt is defined as the ratio of speed of light in vacuum to the speed of light in the medium. D . &nbspNone of above

What is refractive index ?

Question

What is refractive index ?

Options:

A . It is defined as the ratio of speed of light in the medium to the speed of light in vacuum.

B . It is defined as the product of speed of light in medium and in vacuum.

C . It is defined as the ratio of speed of light in vacuum to the speed of light in the medium.

D . None of above

Answer: Option C

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