The lens - maker’s equation applies to a lens immersed in a liquidif n in the equation is replaced by n1/n2. Here n1 refersto the refractive index of the lens material and n2 is that ofthe medium surrounding the lens. (a) A certain lens has focallength of 79.0 cm in air and a refractive index of 1.55. Find itsfocal length in water. (b) A certain mirror has focal length of79.0 cm in air. Find its focal length in water.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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The lens - maker’s equation applies to a lens immersed in a liquid
if n in the equation is replaced by n1/n2. Here n1 refers
to the refractive index of the lens material and n2 is that of
the medium surrounding the lens. (a) A certain lens has focal
length of 79.0 cm in air and a refractive index of 1.55. Find its
focal length in water. (b) A certain mirror has focal length of
79.0 cm in air. Find its focal length in water.

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