Atomic Physics Question 8
Question 8 - 2024 (30 Jan Shift 1)
The ratio of the magnitude of the kinetic energy to the potential energy of an electron in the $5^{\text {th }}$ excited state of a hydrogen atom is :
(1) 4
(2) $\frac{1}{4}$
(3) $\frac{1}{2}$
(4) 1
Show Answer
Answer: (3)
Solution:
$\frac{1}{2}|P E|=K E$ for each value of $\mathrm{n}$ (orbit)
$\therefore \frac{K E}{|P E|}=\frac{1}{2}$
