Question

what is lens formula?????​

Answer 1

Answer:

The relation between distance of object, distance of image and focal length for a lens is called lens formula. Where, v is the distance of image, u is the distance of object, and f is the focal length of lens. Distance of object and image is measure from the optical centre of the lens.

Explanation:

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Answer 2

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The relation between distance of object, distance of image and focal length for a lens is called lens formula. Where, v is the distance of image, u is the distance of object, and f is the focal length of lens. Distance of object and image is measure from the optical centre of the lens.