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OpenStudy (hba):
A convex lens of 20 cm, focal length is used to form an erect image which is twice as large as the object. The position of object from the lens is A) 5 cm B) 30 cm C) 15 cm D) 20 cm
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OpenStudy (hba):
@lgbasallote
OpenStudy (hba):
@hartnn
OpenStudy (hba):
@UnkleRhaukus
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