Question

Energy of an electron in the second orbit of hydrogen atom is E2. The energy of electron in the third orbit of He+ will be

• A. $\frac{9}{16}\ E_2$
• B. $\frac{16}{9}\ E_2$
• C. $\frac{3}{16}\ E_2$
• D. $\frac{16}{3}\ E_2$

Answer 1

Answer: (B)

$\frac{16}{9}\ E_2$

Answer 2

The correct answer is (B) : $\frac{16}{9}\ E_2$.