1.

A ray of light falls normally on a glass slab. Draw a diagram showing the path of the ray till it emerges out of the slab. What is the angle of incidence and angle of refraction at each surface of slab ?

Answer»

Solution :The ray diagram is shown in figure. In which the light ray passes undeviated through the SLAB.

At each surface of GLASS slab,
ANGLE of incidence=0
ang angle of refraction=0


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