AB & AC are refracting surfaces and BC is the reflecting surface. The incident ray strikes the surface AB. As the ray travels from air(rarer) to glass(denser), the ray bends towards the normal N1 & strikes surface BC. At BC, the ray gets reflected due to total internal reflection and strikes side AC. At AC, the ray travels from glass to air, therefore the ray moves away from the normal.

Q. 135.0( 5 Votes )

Incident ray on o

Class 10th AP - Physics & Chemistry 7. Human Eye and Colourful world

Answer :

AB & AC are refracting surfaces and BC is the reflecting surface. The incident ray strikes the surface AB. As the ray travels from air(rarer) to glass(denser), the ray bends towards the normal N₁ & strikes surface BC. At BC, the ray gets reflected due to total internal reflection and strikes side AC. At AC, the ray travels from glass to air, therefore the ray moves away from the normal.

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