PHYS 2022 Study Guide - Final Guide: Real Image, Refraction, Chapter 27
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21 Mar 2016
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Law of reflection- angle of reflection equals angle of incidence. Refraction- when a ray experiences a change in direction due to entering a different medium (ex. Angle of refraction relationship sin 2 sin 1. Light travels at its maximum speed in a vacuum. Index of refraction n= speed of light a vacuum speed of light a medium. Snell"s law of refraction n1 sin 1=n2 sin 2. M = image height objec t" s actual height. Object is in back of mirror mirror (real object) (virtual object) 26. 3 images formed by refraction n1 p n2 q n2 n1. Object is in front of the surface (real object) Object is in back of the surface (virtual object) Center of the curvature is in back of surface in front of surface. 26. 4 images formed by thin lens tan = d f. Object is in back of the lens (real object) lens (virtual object)
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