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X-rays and Compton Effect

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The minimum value of Compton wavelength shift is:

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A
$h/2 m _{0}c$
💡 Explanation:

$\lambda -\lambda ^{1}  =  \dfrac{h}{m _e c}\ (1+cos  \theta )$

$\Delta \lambda ^{1}  =  \dfrac{h}{m _e c}\ (1+cos  \theta )$

$cf   \theta = 0^{0}$

then  $\Delta \lambda = 0$

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