Draw the path of a ray of light when it enters one of the faces of a glass slab at an angle of nearly 45°. Label on it(i) angle of refraction(ii) angle of emergence and(iii) lateral displacement.

Here, 

$\angle\ i = angle\ of\ incidence = 45°\ (given)$

(i) $\angle\ r = angle\ of\ refraction$

(ii )$\angle\ e = angle\ of\ emergence$

(iii) $RS = lateral\ displacement$

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Updated on: 10-Oct-2022

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