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Question

An object is kept at a distance of 30 cm from the centre of a convex lens along its principal axis whose focal length is 15 cm. What can be concluded about the image formed?

A
Virtual, Inverted and same size
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B
Virtual, Inverted and enlarged
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C
Real, Inverted and same size
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D
Real, Inverted and enlarged
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Solution

The correct option is C Real, Inverted and same size
Rays parallel to the principal axis of a spherical lens passes through the focus after getting refracted by the lens and rays undergoes no refraction when paseses through pole of the lens. Using these two property we can show the ray diagram of an object placed at centre of curvature as follow,


So, image is real, inverted and of same size as that of the object.

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