A contact lens is made of plastic with index of refraction n = 1.5. The lens has an outer radius R1 = +2.0 cm and inner radius of curvature R2 = +2.5 %3D cm. Find the focal length and the power of the lens (a) in air (b) in water (nwater = 1.33).
A contact lens is made of plastic with index of refraction n = 1.5. The lens has an outer radius R1 = +2.0 cm and inner radius of curvature R2 = +2.5 %3D cm. Find the focal length and the power of the lens (a) in air (b) in water (nwater = 1.33).
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Transcribed Image Text:A contact lens is made of plastic with index of refraction n = 1.5. The lens
has an outer radius R1 = +2.0 cm and inner radius of curvature R2 = +2.5
cm. Find the focal length and the power of the lens
(a) in air
(b) in water (nwater = 1.33).
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