A point object in air is in FIGUREront o...

A point object in air is in FIGUREront oFIGURE the curved surFIGUREace oFIGURE aplano-convex surFIGUREace is 30cm and the reFIGUREractive index oFIGURE the lens material is 1.5, then the FIGUREocal length oFIGURE the lens(in cm) is

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The radius of curvature of the convex face of a plano convex lens is 12cm and the refractive index of the material of the lends 1.5. Then, the focal length of the lens is

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Find the focal length of a plance-convex lens with R_(1) = 15cm and R_(2) = oo . The refractive index of the lens material n = 1.5

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