The energy of first excited state |MODERNPHYSICSJEEMAIN2023

JEE MAIN 2023

11-4-2023

Question

The energy of He+ ion in its first excited state is. (The ground state energy for the Hydrogen atom is –13.6 eV):

Select the correct option:

–3.4 eV

–54.4 eV

–13.6 eV

–27.2 eV

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

$E_n=\frac{-13.6 Z^2}{n^2}=\frac{-13.6 \times 4}{4}=-13.6 \mathrm{eV}$

Question Tags

JEE Main

Chemistry

Easy

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