Consider an equilateral triangle of side length 4m made of glass (n=1.5) which lays with one side flat to the x-axis such that the midpoint of the side is at the origin. A laser light traveling parallel with the x-axis enters the triangle with a y-coordinate of 2. Where does the light exit the triangle?
so ray will exit from opposite face i.e. face opposite to that face on which light strikes first
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