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  • 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

Q 3.     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.

 

Answers (1)

best_answer

An object should be placed at twice the focal length in front of a convex lens to get a real image of the size of the object

(b) is the correct answer.

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Sayak

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