Mirrors and Lenses Notes

# Mirrors and Lenses Notes - Notes on Mirrors and Lenses...

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Notes on Mirrors and Lenses (Chapter 31) Notation (applied for both mirror and lens) – look at pictures in the book, since I can’t draw in this file: --- C: center of curvature, NOT center of the mirror/lens --- R: radius of mirror/lens, measured along the mirror/lens axis from the center of the mirror/lens to the point C --- f: focal length, measured along the mirror/lens axis from the center of the mirror/lens to the point F --- s: distance from object to mirror/lens --- s’: distance from image to mirror/lens --- h: height of object --- h’: height of image Three equations to remember: ° = 2 ± 1 ² + 1 ² = 1 ± ³ = = ² ² where M is the called the magnification of the mirror/lens The location of the image is the intersection of two rays from the top of the image, so we need to draw at least two reflected rays for mirror (or refracted rays for lens), using the ray tracing rules. The actual rays don’t always intersect, in which case we use dash lines to extend the rays to

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## This note was uploaded on 02/20/2011 for the course PHYS 8B taught by Professor Catherinebordel during the Spring '10 term at Berkeley.

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Mirrors and Lenses Notes - Notes on Mirrors and Lenses...

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