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MIT 8.01 Physics I Classical Mechanics, Fall 1999 9 Online
OpenStudy (anonymous):

A lens, with surface radii of curvature R1 = 20cm and R2 = -100cm, thickness 1mm and refractive index 1.5, separates air on the side with R1 and water (n=1.33) on the side with R2. Determine f1 and f2 for the system describe above.

OpenStudy (anonymous):

Seems like a lot of that information is unnecessary since R=2f. So f1 = 10 cm and f2= -50 cm.

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