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In hydrogen a...

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In hydrogen atom energy of electron in 2nd Bohr's orbit is -3.4eV. The kinetic energy of electron in this orbit is 1)-3.4eV 2)+3.4eV 3)-6.8eV 4)+1.7eV

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Q. The kinetic energy of an electron in the second Bohr's orbit of a hydrogen atom is:
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