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A double convex lens is to be made of gl...

A double convex lens is to be made of glass with refractive index. 1.5 One surface is to have twice the radius of curvature of the other surface and focal length is to be 60 mm. What are the radii ?

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45 mm, 90 mm
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NEW JOYTHI PUBLICATION-RAY OPTICS AND OPTICAL INSTRUMENTS -PRACTICE PROBLEMS FOR SELF ASSESSMENT
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