A problem by shivam sharma
a parallel beam of light passes parallel to the principal axis and falls on one face of a thin equi - convex lens of focal length 14 cm and after two internal reflections it emerges from the second face and forms a real image then find the distance of image from the lens. given :- refractive index of material of lens is 1.5
The answer is 2.
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1 solution
hint:- in TIR 100% REFLECTION TAKES PLACE