Write the lens formula and explain the terms.
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Lens maker's formula is the relation between the focal length of a lens to the refractive index of its material and the radii of curvature of its two surfaces. ... Here, n=n2n1 where the refractive indices of the surrounding medium and the lens material be n1 and n2 respectively.
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Explanation:
Lens maker's formula is the relation between the focal length of a lens to the refractive index of its material and the radii of curvature of its two surfaces. ... Here, n=n2n1 where the refractive indices of the surrounding medium and the lens material be n1 and n2 respectively.
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