Class 10 > Science

Question

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

Solution

(b)t twice the focal length

When an object is placed in front of a convex lens at the center of curvature, the image is produced at the center of curvature on the other side of the lens. The resulting image will be the same size. The focal length f is twice as long as the center of curvature C.

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