The energy of an electron in the| Atomic Structure |JEE MAIN

JEE MAIN 2023

13-04-2023 S1

Question

The energy of an electron in the first Bohr orbit of hydrogen atom is –2.18×10–18 J. Its energy in the third Bohr orbit is ____.

Select the correct option:

$\frac{1}{27}$ of this value

One third of this value

Three times of this value

$\frac{1}{9}$ th of this value

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Sol. $$ \begin{aligned} & E_n=\frac{-2.18 \times 10^{-18} Z^2}{n^2} \\ & \text { i.e., } E_n \propto \frac{1}{n^2} \end{aligned} $$

Question Tags

JEE Main

Chemistry

Easy

Start Preparing for JEE with Competishun