ch39-p003 - 3. We can use the mc2 value for an electron...

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3. We can use the mc 2 value for an electron from Table 37-3 (511 × 10 3 eV) and hc = 1240 eV · nm by writing Eq. 39-4 as E nh mL c mc L n == 22 2 2 2 8 8 b g c h . For n = 3, we set this expression equal to 4.7 eV and solve for
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