Q

A student observes that the image formed by a lens is twice the size of the object and is real. Where is the object placed relative to the lens?

RRB Group D 17 Aug, 2026 (4:30 PM - 6:00 PM) 2026
✓ Answer: B Between F and 2F
The correct choice is Between F and 2F. It follows from the laws of reflection/refraction and the standard image-formation properties of lenses, mirrors or optical systems.
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