Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Atoms

Question:

Options:

a

b

c

d

Correct Answer:

c

Explanation:

$\text{Ionisation Energy } E = E_0\frac{Z^2}{n^2} = 13.6eV \frac{2^2}{2^2} = 13.6eV$