A ray incident on a glass prism undergoes minimum deviation when the
PHYSICS
JAMB 2003
A ray incident on a glass prism undergoes minimum deviation when the
- A. incident angle is equal to the angle of refraction
- B. refraction angle equals 90o
- C. incident angle equals 90o
- D. incident angle is equal to the angle of emergence
Correct Answer: D. incident angle is equal to the angle of emergence
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