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a double convex lens with radius of curvature R1=36 cm and R2=20cm is found in a...

a double convex lens with radius of curvature R1=36 cm and R2=20cm is found in a basket. the lens is made of glass with an index of refraction n=1.69 . find the focal length of the lens. (hint- make sure the sign is properly assigned to each radii)

exprss your answer in cm to 2 decim places

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Answer #1

صا R زنده - -وم - -ها (-R) ته F (1-1) [ ست + R Rz. (1069-1) | ! - F 0.05367 ا3 20 T) 2 -18 م

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