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What is lens makers formula

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What is lens makers formula

    • Posted by Suman Rani 6 years, 3 months ago

    CBSE > Class 12 > Physics
    • 3 answers

    Moni Sheoran@2#3% 6 years, 3 months ago

    1/f=[mu-1][1/R-1/r] where R & r are radii of curvature and mu=refr. index of material of lens w.r.t. medium in which lens placed

    0Thank You

    Pragati Gola 6 years, 3 months ago

    This formula used by makers to set it's focal length (1/F)=(n-1)(1/R1 - 1/R2)

    0Thank You

    Gayatri Meena 6 years, 3 months ago

    1 by f equals to (mu-1 )into ( 1/R1-1/R2)

    0Thank You

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