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The radii of curvature of the …

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The radii of curvature of the face of a double convex lens are 20cm and 30cm.its power is 25/ 6 D . What is the refractive index of the glass of the lens?

    • Posted by Pinyo Namchoom 9 months, 3 weeks ago

    CBSE > Class 12 > Physics
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