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Bohr's atom model

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By Expert Faculty of Sri Chaitanya
Question

The angular momentum of an electron in the hydrogen atom is 3h2π. Here h is Planck's constant. The kinetic energy of this electron is___eV

Moderate
Solution

mvr=nh2π=3h2πn=3KE=TE=13.6×z2n2=13.6×(1)2(3)2=1.51eV


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