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LIght Refraction

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Lu Yu

on 20 May 2013

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Transcript of LIght Refraction

Snell's law
of Refraction What is REFRACTION? For Example Any angle other than
90˚ or 0˚ Refraction is described by
Snell's Law haverford.edu/physics/songs/snell.htm The details Light Refraction Let there be light! Fisher must aim lower to catch the fish Refraction is the change in direction
of a wave due to a change in its medium When sound waves pass from one medium into another Snell's Law Song At the boundary between the media, the waves phase velocity is altered, usually causing a change in direction. Its wavelength increases or decreases but its frequency remains constant. A light ray will refract as it enter and leaves glass, assuming there is a change in refractive index. Refraction can be
seen when looking
into a glass of water. AIR
has a refraction index
of about 1.0003,
has a refraction index
of about 1.33 If a person looks at a straight object such as a pencil, This is due to the bending of light rays as they move from the
water to air. Conversely,
an object above the
water has a higher
apparent height when
viewed from
below the water. RAINBOWS! These are caused by the change
of the refractive index of air
with the temperature. Mirage of this behavior are described by the Freshnel Equation when water waves move into water of a different depth haverford.edu/physics/songs/snell.htm
pastorblog.cumcdebary.org/?p=1422 by LU YU 2013 http://funstuffcafe.com/img/creativeart/light/light05.jpg youtube.com/watch?v=yfawFJCRDSE file:///Users/mac/Downloads/tumblr_m1x0br1mTD1r9ljkmo1_500.gif http://www.chromesphere.com/tutorials/vue6/Optics_Basics_Print.html http://enpundit.com/stunning-water-drop-refractions/ http://weather.aol.com/2013/03/27/rare-horizontal-rainbow-forms-over-paris-goes-viral/ http://www.123rf.com/photo_9296044_glass-on-striped-background-showing-the-effects-of-refracted-light.html http://sjesci.wikispaces.com/Light+and+Sight http://www.kineticonc.com/water-problems http://www.sciencelearningspace.com/preview/2010/02/disappearing-beaker/ http://lifshitz.ucdavis.edu/~dmartin/phy7/7C/Refraction/Refraction.html https://apphysicsthorwarth.wikispaces.com/CH24-27_Optics http://www.tumblr.com/tagged/rainbow%20puke http://minminmin.edublogs.org/2012/12/04/research-on-ptolemy-and-kepler/ http://wyophotos.blogspot.com/2010/11/mirage.html http://cliffmass.blogspot.com/2011/07/superior-mirage.html by Lu Yu
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