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Statement of a problem № 2956

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Each face of a double convex lens has a radius of 20.0 cm. The index of refraction of the glass is 1.50. Compute the focal length of this lens (a) in air and (b) when it is immersed in carbon disulfide (n = 1.63).

Solution:
Each face of a double convex lens has a radius of 20.0 cm. The index of refracti

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