Question

what is the velocity of light in a medium with refractive index 1.5??

Answer 1

Answer:

All waves in electromagnetic spectrum travels at the same speed. If Refractive index of the medium is 1.5 the its speed is, speed of light in air/ refractive index= 3,00,000/1.5= 2,00,000 Km/s.

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Answer 2

Answer:

Velocity of light in the medium is (1/1.5)c, where c is velocity of light in vacuum. If a light Ray is incident at the interface of medium of refractive index 1.5 and air from the medium, it will be totally reflected if the angle of incidence is greater sin^-1(1/1.5).

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