1.

A lens (focal length 50 cm) forms the image of a distant object which subtends an angle of 1 milliradian at the lens. What is the size of the image                                               [MP PMT 1995]

A.            5 mm                                       
B.            1 mm
C.            0.5 mm                                   
D.            0.1 mm
Answer» D.            0.1 mm


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