CBSE Class 12-science Answered
What is the relation between focal length and radius of curvature of a lens?Do the two focal lenghs of a lens always have the same value?Are the focal lengths of a lens different for different medium?
Asked by joykphukan | 21 Jul, 2015, 09:13: PM
Expert Answer
The relation between focal length and radius of curvature is given by lens maker's formula:
For a given perticular lens, its focal lenght always have the same vlaue.
From the given formula we can say that focal length of lens is different of different media.
Answered by Priyanka Kumbhar | 22 Jul, 2015, 09:46: AM
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