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116.What is Critical angle for Glass-Air interface if a Ray of Light which is incident in Air at Angle of Incidence 45^° on glass surface is Deviated through 15^° ? |
| Answer» 116.What is Critical angle for Glass-Air interface if a Ray of Light which is incident in Air at Angle of Incidence 45^° on glass surface is Deviated through 15^° ? | |