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The refractive indices of the material of a lens for violet, yellow and red colours of light are 1.66,1.64 and 1.62resp. The mean focal length of the lens is 10cm. The chromatic aberration of the lens between the violet and red color is

Answer» The refractive indices of the material of a lens for violet, yellow and red colours of light are 1.66,1.64 and 1.62resp. The mean focal length of the lens is 10cm. The chromatic aberration of the lens between the violet and red color is


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