Q)
(chatquestion)...A ray of light incident on the face AB of
an isosceles triangular prism makes an
angle of incidence i and deviates by angle
B as shown in the figure. Show that in the
position of minimum deviation ZB = Za.
Also find out the condition, when the
refracted ray QR suffer total internal
reflection.
%3D
C All India 2019
1 Answer
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