Calculate the energy required to excite an electron from 3rd energy state to 4th energy state .??
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Energy of an electron in Hydrogen atom , in the state n (principal quantum number n).
E = -13.6 / n² eV
Energy required = 13.6 [1/3² - 1/4²] = 13.6 * 7/144 = 0.661 eV
E = -13.6 / n² eV
Energy required = 13.6 [1/3² - 1/4²] = 13.6 * 7/144 = 0.661 eV
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Answer:
Explanation:13.6*5*5/3/3 -13.6*5*5/4*4
340/9-340/16=37.77-21.25=16.53ev
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