Q

A small candle is placed 18 cm from a concave mirror with a focal length of 6 cm. What will be the nature and position of the image formed?

RRB Group D 25 Aug, 2026 (12:45 PM - 2:15 PM) 2026
✓ Answer: B Real, 9 cm in front of the mirror
The correct choice is Real, 9 cm in front of the mirror. It follows from the laws of reflection/refraction and the standard image-formation properties of lenses, mirrors or optical systems.