Physics
Physics, 23.11.2020 14:00, aletadaboss

-A ray IA is incident at point A on mirror Mi. After reflection at mirror M1, it is incident,
respectively, at mirrors M2 and M3. Find the
angle which the finally-reflected ray CR
makes with the plane of mirror M3.
30°
40°
50°
60
pls help


-A ray IA is incident at point A on mirror Mi.After reflection at mirror M1, it is incident,respe

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