Find the electric potential energy of the electron in the first orbit of a hydrogen atom whose total energy is −2.176×10−18J:

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−43.52×10−19J

−21.76×10−19J

−10.88X10−19J

−13.6×10−19J

answer is A.

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Detailed Solution

answerFrom Bohr's model we know thatPotential energy = 2 (Totalenergy)⇒ Potential energy =2−21.76×10−19⇒−43.52×10−19J

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