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We know that in case of power of lens it must be curved then why sunglasses have no power until their surface is curved

    • Posted by Ron Vineetahuja 6 years, 5 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    Ron Vineetahuja 6 years, 5 months ago

    Thank you

    0Thank You

    Disha Verma 6 years, 5 months ago

    Becoz sunglasses outer surface are convex and inner are concave . If the power of glasses are equal made then the power of glasses reduced to zero. Thus, the glasses behaves like a thin sheet of glass instead of lenses.

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