Question

The ratio of areas of the circular orbit of an electron in the ground state to that of the first excited state of an electron in a hydrogen atom is ______  

Options

• 16 : 1

• 4 : 1

• 1 : 4

• 1 : 16

Answer 1

The ratio of areas of the circular orbit of an electron in the ground state to that of the first excited state of an electron in a hydrogen atom is 1 : 16.