02_06_Ray_Math - Today 2/6 o o o o o Lenses-Ray Diagrams...

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Today 2/6 o Lenses--Ray Diagrams and Math o Lab: Any Questions? o HW Questions? o Start reading chapter 26.6-8 on Lenses o HW: 2/6 Text Problem Ch 26 #55 Due Monday, 2/10 o Exam I Thursday, Feb 13
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Converging Lens-Ray Diagrams f f Bend the ray at the middle of the lens In parallel-out through focus Also straight through the center of the lens d i image distance d 0 object distance The image will also appear on a screen placed at the image location. h 0 h i In through focus-out parallel
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Equations f d d i 1 1 1 0 = + Thin lens equation 0 0 d d h h m i i - = = Magnification equation f focal length always + for converging lens (- for diverging) d 0 object distance + if on input side d i image distance + if output side (- if on input side) m magnification + if image is (- if image inverted) h height + if not inverted (- if inverted)
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Converging Lens-Ray Diagrams f f d i image distance
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02_06_Ray_Math - Today 2/6 o o o o o Lenses-Ray Diagrams...

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