A plastic plano-concave lens has a radius of curvature of 50 cm for its concave surface. If the index of refraction of the plastic is 1.35, what is the power of the lens? P =
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A plastic plano-concave lens has a radius of curvature of 50 cm for its concave surface.
If the index of refraction of the plastic is 1.35, what is the power of the lens?
P =
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