Question

PACKAGE
Passage : A light ray falls on a square glass slab as shown in the figure, making an angle of
45. then answer the following
Р
45°
es
A
B.
R-90°
O
DL
C С
ty Education Management Pvt.Ltd.
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Answer 1

Answer:

what is the question?? I can't understand... click the image of the question then anyone can answer it...