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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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