budishj7356 budishj7356
  • 07-06-2023
  • Physics
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A contact lens, located in air, is made of plastic with an index of refraction of 1.50. The lens has an outer radius of curvature of r1=+2.0 cm and an inner radius of curvature of r2=+2.5 cm. What is the focal length of the lens?

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