Physics, asked by jeninpaulv, 7 months ago

find focal length of lens if the value of refractive index is 1.5 with the radii of curvature 20 and -35cm

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Answered by sivasanjana

Answer:

The focal length of a biconvex lens is 20 cm and its refractive index is 1.5. If the radii of curvatures of two surfaces of lens are in the ratio 1 : 2, then the larger radius of curvature is :

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find focal length of lens if the value of refractive index is 1.5 with the radii of curvature 20 and -35cm​

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find focal length of lens if the value of refractive index is 1.5 with the radii of curvature 20 and -35cm