A   r a y   i n c i d e n t   a t   a n   a n g l e   53 °   o n   a   p r i s m   e m e r g e s   a t   a n   a n g l e   37 °   a s   s h o w n .   I f   t h e   a n g l e   o f   i n c i d e n c e   i s   m a d e   50 ° ,   w h i c h   o f   t h e   f o l l o w i n g   i s   a   p o s s i b l e   v a l u e   o f   t h e   a n g l e   o f   e m e r g e n c e . ( A )   35 ° ( B )   42 ° ( C )   40 ° ( D )   38 °

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  • 31
B42
  • -25
Everybody knows the answer so it will be better to provide the whole solution. Apart the answer is wrong. Correct answer is 38 °.
  • -16
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