Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Atoms

Question:

The ionisation energy of 10 times ionised sodium atom is

Options:

13.6 eV

13.6 × 11 eV

$\frac{13.6}{11} eV$

$13.6 \times(11)^2 eV$

Correct Answer:

$13.6 \times(11)^2 eV$

Explanation:

$\left(E_{\text {ion }}\right)_{N a}=Z^2\left(E_{\text {ion }}\right)_H=(11)^2 13.6 eV$