Q
An object is placed at the center of curvature of a concave mirror. If the mirror is now partially covered with an opaque material, what change will occur in the image?
RRB Group D
10 Aug, 2026 (9:00 AM - 10:30 AM)
2026
✓ Answer:
A
The image will remain at the same position but will become less bright
The correct choice is The image will remain at the same position but will become less bright. It follows from the laws of reflection/refraction and the standard image-formation properties of lenses, mirrors or optical systems.