Q

What is the angle between the incident and emergent rays called in the context of a prism?

RRB Group D 11 Aug, 2026 (12:45 PM - 2:15 PM) 2026
✓ Answer: B The angle of deviation
The correct choice is The angle of deviation. It follows from the laws of reflection/refraction and the standard image-formation properties of lenses, mirrors or optical systems.
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