Physics, asked by sujithkumar3953, 1 year ago

How to find focal length, if radius and refractive indices are given

Answers

Answered by anjan2006

0

radius=focal length÷2

Answered by hananb

0

Answer:

By using lens maker's formula :

1/f = (RI - 1)((1/r1) - (1/r2))

where RI is refractive index.

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