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Statement of a problem № 1309

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Find the optical power and the focal lengths (a) of a thin glass lens in liquid with refractive index n0 = 1.7 if its optical power in air is Φ0 = -5.0 D; (b) of a thin symmetrical biconvex glass lens, with air on one side and water on the other side, if the optical power of that lens in air is Φ0 = +10 D.

Solution:
Find the optical power and the focal lengths (a) of a thin glass lens in liquid

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