Question

pls tell me the meaning of Refraction index. ​

Answer 1

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Explanation:

REFRACTIVE INDEX or INDEX OF REFRACTION

of a material is that describes how fast light travels through the material. It is defined as. where c is the speed of light in vaccum and v is the phase velocity of light in the medium.Or it can also be defined as the ratio of the velocity of light in a vacuum to its velocity in a specified medium.

It is given by following expression:

n=c/v

where,

n=refractive index

c=speed of light in vaccum

v=speed of light in given medium

Answer 2

HEY MATE HERE IS UR ANSWER :-

✩ REFRACTION INDEX -

REFRACTION INDEX ALSO CALLED AS INDEX OF REFRACTION , MEASURE BENDING OF A RAY OF LIGHT WHEN PASSING FROM ONE POINT TO ANOTHER !!

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