A ray from a fixed object is incident on a plane mirror at an angle...
PHYSICS
WAEC 2006
A ray from a fixed object is incident on a plane mirror at an angle of 20o. If the mirror is rotated through 30o by how many degree would the reflected ray rotate?
- A. 60o
- B. 50o
- C. 40o
- D. 30o
Correct Answer: A. 60o
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