Calculate the radius of curvature of a equi-concave lens of refractive index 1.5, when it is kept in a medium of refractive index 1.4, to have a power of -5D ?

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Calculate the radius of curvature of a equi-concave
lens of refractive index 1.5, when it is kept in a
medium of refractive index 1.4, to have a power of
-5D ?
Transcribed Image Text:Calculate the radius of curvature of a equi-concave lens of refractive index 1.5, when it is kept in a medium of refractive index 1.4, to have a power of -5D ?
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