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Introduction to Quantum Mechanical Model

If the bindin...

Question

If the binding energy of 2nd excited state of a hydrogen like sample is 24 eV approximately, then the ionization energy of the sample is approximately:

A

54.4 eV

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B

24 eV

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C

122.3 eV

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D

216 eV

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Solution

The correct option is D
216 eV

$\frac{13.6 Z^{2}}{3^{2}}$ =24

I.E.=13.6 $Z^{2}$ = $24 \times 9$ =216eV

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