Optics Sheet - Physics 21 Fall, 2011 Optics Mirror Types :...

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Unformatted text preview: Physics 21 Fall, 2011 Optics Mirror Types : Convex Mirror Concave Mirror Lens Types : Converging Lens Diverging Lens Axis F F f f The Mirror Equation : 1 d o + 1 d i = 1 f m = h i h o =- d i d o • f is positive for concave mirrors and negative for convex mirrors. • When the object, image, or focal point is on the re- flecting side of the mirror, the corresponding distance is positive. If any of these points is behind the mirror, the corresponding distance is negative. • h i is positive if the image is upright, negative if inverted. The Lens Equation : 1 d o + 1 d i = 1 f m = h i h o =- d i d o • f is positive for converging lenses and negative for di- verging lenses. • d o is positive if object is on the side of the lens from which the light comes; otherwise negative. • d i is positive if it is on the opposite side of the lens from which the light comes; otherwise negative. Equivalently, d i is positive (negative) for a real (virtual) image....
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This note was uploaded on 12/18/2011 for the course PHYS 021 taught by Professor Hickman during the Spring '08 term at Lehigh University .

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