Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Atoms

Question:

In Bohr model of hydrogen atom, the ratio of periods of revolution of an electron in n = 2 and n = 1 orbits is

Options:

2 : 1

4 : 1

8 : 1

16 : 1

Correct Answer:

8 : 1

Explanation:

$T \propto n^3 \Rightarrow \frac{T_2}{T_1}=\frac{2^3}{1^3}=\frac{8}{1}$