1.

The size of the image of an object, which is at infinity, as formed by a convex lens of focal length 30cm is 2 cm.  If a concave lens of focal length 20 cm is placed between the convex lens and the image at a distance of 26 cm from the convex lens, calculate the new size of the image [IIT-JEE (Screening) 2003]

A.            1.25 cm                                   
B.            2.5 cm
C.            1.05 cm                                   
D.            2 cm
Answer» C.            1.05 cm                                   


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