1.

A ray of light travelling in air goes into water. The angle of refraction will be : (a) 90∘ (b) smaller than the angle of incidence (c) it goes along the normal (d) greater than the angle of incidence

Answer»

A ray of light travelling in air goes into water. The angle of refraction will be :

(a) 90 (b) smaller than the angle of incidence (c) it goes along the normal (d) greater than the angle of incidence



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