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The radii of curvature of the …

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The radii of curvature of the surface of a double convex lens are 20 and 40 cm respectively and its focal length is 20 cm. What is the refractive index of the material of the lens

    • Posted by Manosh Manosh 7 years, 2 months ago

    CBSE > Class 12 > Physics
    • 0 answers
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