alleryThe angle between the emergent ray and the incident ray direction is the:
ADeviation
BElevation
CInclination
DDeclination
Answer & Solution
Correct answer: A. Deviation
1. The prism bends the light off its original path.
2. The turn between the two directions is measured.
3. That is the angle of deviation.
_Source: syllabus Physics Part II, Chapter 9, Ray Optics and Optical Instruments._
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