where should an object be placed in front of a convex lens to get a real image of the size of the object

Where should an object be placed in front of a convex lens to get a real image of the size of the object?

(a) At the principal focus of the lens (b) At twice the focal length (c) At infinity (d) Between the optical centre of the lens and its principal focus

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Soham ghosh

EXCELLENCE IS THE KEY TO SUCCESS

Friday, 27 November 2020 08:29 AM

: At twice the focal length, the image formed by the convex lens is real and of the same size as the object.

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