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Question
Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre?
Options:
A .  -3.75 diopters
B .  -11.25 diopters
C .  3.75 diopters
D .  11.25 diopters
Answer: Option D
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