Question

The energy of electron in first energy level is - 21.79 x 10⁻¹² erg per atom. The energy of electron in second energy level is :
(a) -54.47 x 10⁻¹² erg atom⁻¹
(b) -5.447 x 10⁻¹² erg atom⁻¹
(c) -0.5447 x 10⁻¹² erg atom⁻¹
(d) -0.05447 x 10⁻¹² erg atom⁻¹

Answer 1

${\huge {\mathfrak {Answer :-}}}$

➡️ Option (B)

That's it..

Answer 2

Thanks for your question ✌

OPTION B IS CORRECT ✔✔

THANKS

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