Question

. State and explain the new Cartesian sign convention fro spherical lenses.​

Answer 1

Explanation:

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Answer 2

Answer:

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Explanation:

New Cartesian Sign Convention for spherical lenses: (i) All the distances are measured from the optical centre of the lens. (ii) The distances measured in the same direction as that of incident light are taken as positive. (iii) The distances measured against the direction of incident light are taken as negative.