PHY214 Ch 34

# PHY214 Ch 34 - Chapter 34 Images 34-2 Two Types of Images...

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PHY214- 2006 Chapter 34 Images 34-2 Two Types of Images 34-3 Plane Mirrors 34-4 Spherical Mirrors 34-5 Images from Spherical Mirrors 34-6 Spherical Refracting Surfaces 34-7 Thin Lenses 34-8 Optical Instruments 34-9 Three Proofs

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PHY214- 2006 34-3 Plane Mirrors Ib Ob = i p = - By convention, object distance p is taken to be positive and image distance I for virtual images is taken to be negative. For point object For extended object
PHY214- 2006 34-4 Spherical Mirrors 1 2 f r = Concave mirror Convex mirror

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PHY214- 2006 34-5 Images from Spherical Mirrors 1 1 1 p i f + = h m h b = i m p = - Real images form on the side of a mirror where the object is, and the virtual images form on the opposite side. For spherical mirror: lateral magnification: h (h’): height of the object (image) B +: image orientation is that of the object -: image orientation is opposite that of the object i : positive (negative) for a real (virtual) image
PHY214- 2006 34-5 Images from Spherical Mirrors i m p = - de cd ab ca =

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PHY214- 2006
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