Nikihi Asked a Question
November 10, 2020 2:08 pmpts 30 pts
why we can't write focal length has a half of its radius of curvature in case of lens..... why we use lens maker formula
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  • Prashant kumar thankyou
    Because it is not always true for all lenses. This is true for only thin double concave and double convex lenses. that is why we use the lenses maker's formula. for thick lenses th...
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