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Focal length of a convex lens …

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Focal length of a convex lens is always positive or negative...

    • Posted by Amandeep Kumar 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    Hy Shona 7 years, 2 months ago

    For convex it is always pisitive for mirror as well as for lens

    0Thank You

    Aniket Upadhyay 7 years, 2 months ago

    Yeah it's always positive according to sign convention

    0Thank You

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