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Where should an object be placed in fron...

Where should an object be placed in front of a convex lens to get a real to get 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

Text Solution

Verified by Experts

The correct Answer is:
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.
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