ch38-p039 - 39. (a) From Eq. 38-11, = h (1 cos ) . me c In...

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39. (a) From Eq. 38-11, (1 cos ) e h mc θ ∆λ = . In this case φ = 180° (so cos = –1), and the change in wavelength for the photon is given by ∆λ = 2 h / m e c . The energy E' of the scattered photon (with initial energy E = hc / λ ) is then E hc E E hmcEh c E Em c ee ' /( / ) ( / ) / . (.
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