Q.

Potential energy of electron in fourth orbit of hydrogen atom is

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a

-0.85 eV

b

-1.70 eV

c

-1.51 eV

d

-3.02 eV

answer is B.

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Detailed Solution

En=- Z2n2 E1; Z=1, n=4 E4=- E116=-13.616ev =-0.85 eV P.E=2 T.E ;
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Potential energy of electron in fourth orbit of hydrogen atom is