Physicseasy · Past Paper
A ray of light strikes a plane mirror at an angle of 30 degrees to the surface. What is the angle of reflection?
A30 degrees
B60 degrees
C90 degrees
D0 degrees
✓ Correct Answer: B — 60 degrees
If the angle with the surface is 30, the angle of incidence with the normal is 90-30=60. Thus, the angle of reflection is 60.
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