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Question

If a 3cm tall object placed perpendicular to principal axis of a convex lens of focal length 15cm produces a real invented image of height 15cm, then its object distance (u) is ................ and image distance (v) is ................

A
u=18m,v=+90m
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B
u=+18cm,v=90cm
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C
u=18cm,V=+90cm
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D
y=+18cm,v=+90cm
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