Question

An object $AB$ is placed parallel and close to the optical axis between focus $F$ and center of curvature $C$ of a converging mirror of focal length $f$ as shown in figure. Then

• A. Image of $A$ will be closer than that of $B$ from the mirror
• B. Image of $AB$ will be parallel to the optical axis
• C. Image of $AB$ will be a straight line inclined to the optical axis
• D. Image of $AB$ will not be a straight line

Answer 1

Answer: (A), (C)

Image of $A$ will be closer than that of $B$ from the mirror
Image of $AB$ will be a straight line inclined to the optical axis

if we observe the image of object at center will form at center itself and that of object at focus is formed at infinity hence in the figure A is nearer to center and F is nearer to focus hence the image of A will be nearer to pole than that of B .
Magnification of A will similar to 1 as it is nearer to center and that of B nearer to F is very large as image distance is very large , hence line joining A and B will be a straight line inclined to the optical axis .
option $A,C$ are correct