Ques no. 12 please answer it
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first of all you should make reflected angle of 40 degree on first then after extend the reflected ray so that it will touch the second mirror. after that draw a normal at point where reflected ray touch second mirror measure the incident angle for second mirror then draw a reflected ray with same angle.
you will get angle 50 degree
you will get angle 50 degree
ahana14:
THANKS ☺☺
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