Question

what is absolute refractive index. Explain in simple words..​

Answer 1

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The ratio of speed of light in air and vacuum or in medium one to another medium is called Absolute Index.

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Answer 2

Explanation:

Refractive index is a physical quantity which actually tells us by how much extent a light gets bends or medium bends the light when it travel through it...

When a light travel from one transparent medium to another , it changes its direction or bends...The measurement of this bending of light is done in terms of refractive index...

Remember Medium ( transperant ) always have refractive index which is nothing just a number...We find this number by taking the ratio of velocities of light in one medium to another...

Refractive index of a medium 1 with respect to medium 2

= velocity of light in medium 2 / velocity of light in medium 1

Note : greater is the value of refractive index , medium will bend more when it enter the same medium...

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