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  4. The angular momentum of an electron in the hydrogen atom is (3 h/2 π ). The kinetic energy of this electron is

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Q. The angular momentum of an electron in the hydrogen atom is $\frac{3 h}{2 \pi }.$ The kinetic energy of this electron is

NTA AbhyasNTA Abhyas 2020

Solution:

$L=\frac{n h}{2 \pi };KE=\frac{+ 13 . 6}{n^{2}}$