Q
What would happen to the spread of colors in the spectrum if a second identical prism is placed after the first in an inverted position?
RRB Group D
04 Aug, 2026 (9:00 AM - 10:30 AM)
2026
✓ Answer:
C
The spread of colors recombines to form white light
The correct choice is The spread of colors recombines to form white light. It follows from the laws of reflection/refraction and the standard image-formation properties of lenses, mirrors or optical systems.