Physics WebAssign Ch23 #12

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For more Chapter 22 physics problems, see:

A contact lens is made of plastic with an index of refraction of 1.50. The lens has an outer radius of curvature of +2.05 cm and an inner radius of curvature of +2.43 cm. What is the focal length of the lens?
_____cm
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You have a great channel, but if you can go through the basic algebra steps, that would help out tremendously. I love seeing the steps. Regardless thanks for the help. I didn't know about the Lens Maker E.

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