Question

define the following terms with reference to convex lens: center of curvature and focal lenght​

Answer 1

Answer:

(ii) Centre of curvature is defined as the center of the surface of sphere of which the lens is a part. Since, a lens has two surfaces, so the lens has two centers of curvatures. ... (vi) Focal length is defined as the distance between the optical center and principal focus of the lens.

Explanation:

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