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[" An equiconvex lens has a power of "5"...

[" An equiconvex lens has a power of "5" diopter.If it is made "],[" of glass of refractive index "1.5" then the radius of the "],[" curvature of each surface will be "],[[" (a) "20cm," (b) "10cm," (c) "5cm," (d) zero "],[" O "," a "]]

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