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A convex lens is used to …

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A convex lens is used to obtain a magnified image of a object on a screen 10 cm from the lens . If the magnification is 19 find focal length of the lens ??????????????????????

    • Posted by Mahera Ansari 6 years, 10 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    Shubham Sharma 6 years, 10 months ago

    Ans = 10÷18 = 5÷9

    1Thank You

    Shubham Sharma 6 years, 10 months ago

    Use the formula m = f+ v ÷ f

    1Thank You

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