What effect you observe when a light ray travel from one medium to another medium of
equal refractive index ?
b) What are the reasons of refraction of light.
c) The Refractive index of crown glass is 1.52 what is the meaning of this statement.
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When light ray travels from one medium to another of same refractive index then it goes undeviated as /_i =0 so /_r =0 .
b)The speed of light is different in different medium.
c)It means that speed if light in crown glass is 1/1.52 times as compared to speed of light in vacuum.
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