Mirror - R : Radius of curvature f=R /2: Focal length...

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Liu UCD Phy9B 07 1 Ch 34. Geometric Optics
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Liu UCD Phy9B 07 2 34-1. Reflection s: object distance s’: image distance s= -s’ Virtual Image: light doesn’t actually pass through, can’t form on a screen Real Image: light actually pass through, can form on a screen +: if in front of reflecting surface -: behind
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Liu UCD Phy9B 07 3 Magnification Lateral magnification m=y’/y Object height y: + Image height y’: + upright - inverted
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Liu UCD Phy9B 07 4 34-2. Spherical Mirrors
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Liu UCD Phy9B 07 5 Concave Mirrors: Parallel Rays CV: Principal axis Point C: Center of curvature of the mirror Point V: Vertex of the mirror Point F: Focal point
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Unformatted text preview: R : Radius of curvature f=R /2: Focal length Paraxial rays: Parallel & close to the principal axis Liu UCD Phy9B 07 6 Ray Diagram Ray 1 goes out from Q parallel to the axis & reflects through F. Ray 2 goes through F and reflects back parallel to the axis. Ray 3 heads out mirror & reflects back on itself and goes through C. Ray 4 reflects symmetrically about the axis at vertex V. Liu UCD Phy9B 07 7 Mirror Equation Object height: y Image height: y Object distance: s Image distance: s ' ' s s y y = s s y y m ' ' = = . 1 2 ' 1 1 f R s s = = +...
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This note was uploaded on 02/17/2009 for the course PHY na taught by Professor Richardscalettar during the Spring '09 term at UC Davis.

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Mirror - R : Radius of curvature f=R /2: Focal length...

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