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)Concave lens :A concave lens is thin at the middle andthick st theQ.edges, das athe light rays.33.Define optical centre of a lens. What happens when a ray of light prough the optical centre of lens ? |
Answer» <p>The optical centre is defined as the geometric centre of the curved lens.</p><p>The ray of light passes through the optic centre without suffering any deviation.</p> | |