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Q.

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

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a

Image of AB will be parallel to optical axis

b

Image of AB will not be a straight line

c

Image of A will be closer then that of B from the mirror

d

Image of AB will be stratight - line inclined to the optical axis

answer is A, C.

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Detailed Solution

Objects are between F and C. As a point object moves between C and F, images moves between C and  . Since A is farther than B,
image of A will be closer. A and B have same height but their images will have different height due to difference in magnifications. Hence, image of AB will be inclined.
 For a concave mirror magnification= -vf+1, So the image formed by AB will be straight line.

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