Q. The radii of curvature of the faces of a double convex lens are 10 cm and 15 cm. If focal length of the lens is 12 cm. Find the refractive index of the material or the lens. Q.

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The objective of the Fund is to track the performance of the S&P 500 Equal Weight Index (the “Benchmark Index”) on a net total return basis before fees and expenses are applied. Therefore, the Fund’s ...

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Ballotpedia's congressional approval polling average: 29% (July 3, 2025) Results are updated daily at 9:30 a.m. EST and aggregated from the most recent polls from the sources listed in the methodology ...