Question

I
find the focal length of asymmetric biconvex
lense, symmetrical by concave lense,
Planoconvex lense using mirror formula​

Answer 1

Answer:

HELLO....

Explanation:

d focal length of a Plano-concave lens use the lens maker's formula: 1/f=(n-1)[(1/R1)-(1/R2)]. R1 is radius of curvature of the surface on the object side. In case of Plano concave lens take it negative..

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