Q

What is the angle between the two lateral faces of a triangular glass prism called?

RRB Group D 06 Aug, 2026 (4:30 PM - 6:00 PM) 2026
✓ Answer: B The angle of the prism.
The correct choice is The angle of the prism.. It follows from the laws of reflection/refraction and the standard image-formation properties of lenses, mirrors or optical systems.
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