Question

Where should an object be placedin front of a convex lensto get a real image ofthe size ofthe 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​

Answer 1

Answer:

answer is option b twice the focal length

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Answer 2

Answer:

b ) At Twicd The Focal Length.

Explanation:

(b) When an object is placed at the centre of curvature in front of a convex lens, its image is formed at the centre of curvature on the other side of the lens. The image formed is real, inverted, and of the same size as the object .