Physics, asked by arvindec6786, 1 year ago

15. Double convex lenses are to be manufactured from a glass of refractive index 1.55, with both faces of the same radius of curvature. What is the radius of curvature required if the focal length is to be 20cm

Answers

Answered by banashree76
0
then the radius of curvature will be 40cm
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