In the diagram above an incident ray AY makes a... - WAEC Physics 2000 Question
In the diagram above, an incident ray AY makes an angle of 30o with the normal XY. If the mirror is rotated anticlockwise about Y through an angle of 20o, while AY is fixed, what angle will the reflected ray now make with the incident ray?
A
70o
B
80o
C
100o
D
120o
correct option: c
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