Revered members,
Please see my attachment which deals with refraction of light through a prism. PQ is incident ray, QR is refracted ray and RS is emergent ray. i1,i2 are angles of incidence. i1 is angle of incidence, but how i2 qualifies to angle of incidence. Similarly how r2 is angle of refraction? Please help members
Please see my attachment which deals with refraction of light through a prism. PQ is incident ray, QR is refracted ray and RS is emergent ray. i1,i2 are angles of incidence. i1 is angle of incidence, but how i2 qualifies to angle of incidence. Similarly how r2 is angle of refraction? Please help members
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