CH 39 #40 - 39.40: According to Eq. 35.4 d sin (40.0 10 6...

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39.40: According to Eq. 35.4 nm. 600 2 00) m)sin(0.03 10 (40.0 sin λ 6 = × = = - m θ d The velocity of an electron with this wavelength is given by Eq. 39.1 . s m 10 1.21 ) m 10 600 )( kg 10 9.11 ( ) s J 10 6.63 ( λ 3 9 31 34 × = × × × = = = - - - m h m p v Since this velocity is much smaller than
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