write the Lenz's maker formula
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Hii dear here is your answer
Focal length of a lens depends upon radii of curvatures of two surfaces and refractive index of the lens material. Lens maker's formula is used by lens manufacturers for making lensesof desired focal lengths.
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Focal length of a lens depends upon radii of curvatures of two surfaces and refractive index of the lens material. Lens maker's formula is used by lens manufacturers for making lensesof desired focal lengths.
Hope it's help u
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the lens maker formula is.......
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