Chemistry

Problem

The time period of revolution of electron in its ground state orbit in a hydrogen atom is

1.6 \times 10^{-16}

s. The frequency of revolution of the electron in its first excited state (in

s^{-1}

) is: a.

1.6 \times 10^{14}

7.8 \times 10^{14}

6.2 \times 10^{15}

5.6 \times 10^{12}