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If the angle of incidence (i) …

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If the angle of incidence (i) for a light ray in air be 45 ͦ and the angle of refraction (r) in glass be 30 ͦ, find the refractive index of glass w.r.t air.

Posted by Aakriti Rustagi 5 years ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 5 years ago

refractive index = sin i / sin r
= sin45/sin30
= (1/√2)/(1/2)
= 2/( √2)
= √2

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