Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Atoms

Question:

The ratio of areas within the electron orbits for the first excited state to the ground state for hydrogen atom is

Options:

16 : 1

18 : 1

4 : 1

2 : 1

Correct Answer:

16 : 1

Explanation:

$r_n \propto n^4 \Rightarrow A_n \propto n^4 \Rightarrow \frac{A_1}{A_0}=\left(\frac{2}{1}\right)^4=\frac{16}{1}$