Q
A ray follows A → B → C → D through a triangular prism, entering at B and leaving at C. Which segments are the incident and emergent rays, respectively?
RRB Group-D
17/08/2022 / Shift-II
2022
✓ Answer:
B
AB and CD
AB approaches the prism and is incident; BC is inside the prism; CD leaves the prism and is emergent.