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Q 39/180 A plano-convex lens fits exactly into aplano-concave lens. Their plane surfaces are parallelto each other. If lenses are made of different materialsof refractive indices μ 1 and μ 2 and R is the radius ofcurvature of the curved surface of the lenses, then thefocal length of the combination is(Hi-H2) |
| Answer» Q 39/180 A plano-convex lens fits exactly into aplano-concave lens. Their plane surfaces are parallelto each other. If lenses are made of different materialsof refractive indices μ 1 and μ 2 and R is the radius ofcurvature of the curved surface of the lenses, then thefocal length of the combination is(Hi-H2) | |