A thin double convex lens has radii of curvature each of magnitude 40 – InterviewSolution

1.	A thin double convex lens has radii of curvature each of magnitude 40 cm and is made of glass with refractive index 1.65. Its focal length is nearly ___ cm.
Answer» A thin double convex lens has radii of curvature each of magnitude 40 cm and is made of glass with refractive index 1.65. Its focal length is nearly ___ cm.

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