Chemistry, asked by CRIZ070, 12 hours ago

what do F2,2F,2F2 represents​

Answers

Answered by chandvasudev1988
1

Explanation:

It is because that a lens have 2 foci. 2F1 and 2F2 are the centre of curvatures, i.e the center of the sphere. The lens have 2 center of curvatures because the lens are bound to have 2 spheres. Hope this helped

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