Question

what is refracted ray

Answer 1

Critical angle. When light passes from one medium (material) to another it changes speed. ... The diagram above shows light incident on a water-air interface. Angle of incidence is the angle between an incident ray and the normal. Angle of refraction is the angle between a refracted rayand the normal.



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Answer 2

the change of direction of ray of light,sound, heat or the like in passing obliquely from one medium into another in which its wave velocity is different
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