Total internal reflection occurs in an optical prism when light rays
PHYSICS
WAEC 2011
Total internal reflection occurs in an optical prism when light rays
- A. travel from the prism into an optically denser medium
- B. are incident in the prism at an angle greater than the critical angle
- C. are incident normally in the prism
- D. travel from the prism to the air
Correct Answer: B. are incident in the prism at an angle greater than the critical angle
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