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Define angle of refraction and angle incidence.

Angle Of Incidence- The angle formed between the Incident ray and the normal
Angle Of Refraction- Angle formed between the reflecting ray and the normal
it is angle of refraction not reflection yuvraj
angle of incidence is the angle formed by the incident ray and the nrmal


The angle between incident ray and normal is called angle of incidence. 
The angle made by refracted ray with perpendicular to the refracting surface is called angle of refraction.

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Angle b/w incident ray and normal is angleof incidence 
and angle b/w refracted ray and normal is angle of refraction 
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