Obtain what is the focal length of the lens

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Solve the following question:

Question: A converging lens has a front surface with radius of curvature of 10cm and the black surface has a radius of curvature of 20cm and it is made from material with an index of refraction of 2.5.

A- What is the focal length of the lens?

Please use as much detail as possible in your answer. Thank you.

Reference no: EM13690739

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