If potential energy in hydrogen atom with electron in groun…

Physics Atomic and Nuclear Physics Mix MCQ (Single Correct)

If potential energy in hydrogen atom with electron in ground state is taken to be 13.6 eV, then –

Potential energy in the first excited state would be 34 eV

Total energy in the first excited state would be 37.4 eV

Kinetic energy in the first excited state would be 44.2 eV

Total energy in the ground state would be 27.2 eV

Text Solution

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The correct answer is:

CHECK THE SOLUTION.

(a, b, d)

In Ground state

KE = + 13.6 eV, PE = – 27.2 eV,

TE = – 13.6 eV

First excited state

KE = + 3.4 eV, PE = – 6.8 eV, TE = – 3.4 eV

Now PE and TE both will be increased by

13.6 – (– 27.2) = 40.8 eV

KE remains unchanged being independent of reference.

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