Chapter 17 - Light and Image Formation
Chapter 17 - Light and Image Formation
Chapter 17 - Light and Image Formation
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Announcements Reflection <strong>and</strong> Refraction <strong>Image</strong> <strong>Formation</strong> Final QuestionsMagnificationFor any mirror, we find that the magnification M of the image isM = h′h = −q pwhere p <strong>and</strong> q are the object <strong>and</strong> image distances, respectivelyIf M is negative, the image is inverted (upside down)The mirror equationFor a mirror we find that1p + 1 q = 1 fwhere f is the focal lengthThe focal length of a mirror depends only on the shape of the mirror <strong>and</strong> not on the material from whichthe mirror is made<strong>Light</strong> <strong>and</strong> <strong>Image</strong> <strong>Formation</strong>
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