What is the energy (in eV) require to excite the electron from $n = 1\ to\ n = 2$ state in hydrogen atom? ($n$=principle quantum number)

Question

Dr. Abubacker · Accepted Answer

(d)
$\mathrm{\Delta}E = 13.6\ Z^{2}\left( \frac{1}{n_{1}^{2}} - \frac{1}{n_{2}^{2}} ight)$
$= 13.6 	imes (1)^{2}\left( \frac{1}{1} - \frac{1}{2^{2}} ight)$
$= 13.6\left( 1 - \frac{1}{4} ight)$
$= 13.6 	imes \frac{3}{4} = 10.2eV$

Q. What is the energy (in eV) require to excite the electron from $n = 1\ to\ n = 2$ state in hydrogen atom? ($n$=principle quantum number)

Explanation

Reviewed by Dr. Abubacker

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