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Recent questions tagged telegram-57274
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(chatquestion)...The radii of curvature of the faces of a double convex lens are 10cm and 15 cm. If focal length of the lens is 12 cm, find the refractive index of the material of the lens. Delhi 2010
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telegram-57274
asked
Feb 16, 2020
by
balaji.thirumalai
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