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Part A A lens is made with a focal length of -40 cm using a material...

Part A

A lens is made with a focal length of -40 cm using a material with index of refraction 1.50. A second lens is made with the SAME GEOMETRY as the first lens, but using a material having refractive index of 2.00. What is the focal length of the second lens?

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The relation between focal length and refrative index is, μ-1 -andf 4-1 1 -1 f-40x 13-1 f,--20 cm Therefore, the required foc

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