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Unformatted text preview: (use nonrelativistic approximations) K=eV=p 2 /2m=(1/2)mv 2 p=(2eV/m) 1/2 b. What is the de Broglie wavelength associated to the electrons before they pass through the slits? =h/p = h/(2eVm) 1/2 c. Using the small angle approximation (sin ), at what angle is the first zerointensity point above the central axis? Condition for first minimum dsin = /2 sin /2d=h/[d(2eVm) 1/2 ]...
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This note was uploaded on 12/28/2011 for the course PHYSICS 270 taught by Professor Drake during the Fall '08 term at Maryland.
 Fall '08
 drake

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