The angular momentum of an electron in the hydrogen atom is \( \frac{3 h}{2 \pi} \). Here \( h \...

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The angular momentum of an electron in the hydrogen atom is \( \frac{3 h}{2 \pi} \). Here \( h \) is Planck's constant. The kinetic energy of this electron is:
(A) \( 4.53 \mathrm{eV} \)
(B) \( 1.51 \mathrm{eV} \)
(C) \( 3.4 \mathrm{eV} \)
(D) \( 6.8 \mathrm{eV} \)
\( P \)
W.
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