Explain refractive index in detail.
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In optics, the refractive index of a material is a dimensionless number that describes how fast light travels through the material.
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Explanation:
- refractive index is a measure for bending the ability of light more the value of refractive index offer medium then it means it will bend the light more .
- more refractive index means that it is optically denser and speed of light is low through it .
- when a Ray of light travel obliquely from one transparent medium to another it change its direction in second medium
- in simple words refractive index is the relative speed of light in two media
- when light enters from rarer medium to denser medium it bends towards the normal and when it enters from denser medium to rarer medium it bends away the normal
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