When a convex lens produces a real image of an object the minimum distance between the object and im...........

General Science (CDS) Physics

When a convex lens produces a real image of an object, the minimum distance between the object and image is equal to

the focal length of the convex lens

twice the focal length of the convex lens

four times the focal length of the covex lens

one half of the focal length of the convex lens

For real image to be formed by convex lens, the minimum distance between object and image should be 4f, where f is focal length of the lens.

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