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Q.

In a hydrogen, the electron in a given orbit has total energy −1.5eV . The potential energy is

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a

1.5 eV

b

−1.5 eV

c

3.0 eV

d

−3.0 eV

answer is D.

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Detailed Solution

P.E.=2× total energy =2(−1.5)eV=−3.0eV .
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