An incident ray is reflected normally by a plane mirror onto a screen where it...
PHYSICS
WAEC 2001
An incident ray is reflected normally by a plane mirror onto a screen where it forms a bright spot. The mirror and screen are parallel and 1m apart. If the mirror is rotated through 5°, calculate the displacement of the spot
- A. 8.7cm
- B. 10.0cm
- C. 15.4cm
- D. 17.6cm
Correct Answer: D. 17.6cm
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