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Unformatted text preview: 66. For xray (“Bragg”) scattering, we have 2d sin θm = m λ. This leads to
2d sin θ2
2λ
=
2d sin θ1
1λ ⇒ sin θ2 = 2 sin θ1 . Thus, with θ1= 3.4°, this yields θ2 = 6.8°. The fact that θ2 is very nearly twice the value
of θ1 is due to the small angles involved (when angles are small, sin θ2 / sin θ1 = θ2/θ1). ...
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics

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