QJEEM23Ph2020: JEE Main 2023 Physics - Class 12 JEEM23Ph2020 Solution: Speed of an electron in Bohr's 7 th  orbit for Hydrogen…

Question

Verified Solution • 2025–26 Session moderate

QJEEM23Ph2020: JEE Main 2023 Physics - Class 12 JEEM23Ph2020 Solution: Speed of an electron in Bohr's 7 th  orbit for Hydrogen…

Speed of an electron in Bohr's $7^{th}$ orbit for Hydrogen atom is $3.6 \times 10^{6} m / s$ . The corresponding speed of the electron in $3^{rd}$ orbit, in $m / s$ is :

Multiple Choice Options

A (1.8×106)
B (7.5×106)
C (8.4×106)
D (3.6×106)

Related Learning Resources & Exam Preparation

JEE Main PYQ Question Bank

Browse year-wise authentic previous years' questions with solutions

Authentic CBT Mock Tests

Simulate official exam environment with live timer and percentile scoring

Accepted Answer

$v α \frac{z}{n}$

$\frac{v_{1}}{v_{2}} = (\frac{n_{2}}{n_{1}})$

$\Rightarrow \frac{3.6 \times 10^{6}}{v_{2}} = \frac{3}{7}$

$\Rightarrow v_{2} = \frac{7}{3} \times 3.6 \times 10^{6}$ m/s

$= 8.4 \times 10^{6}$ m/s

QJEEM23Ph2020: JEE Main 2023 Physics - Class 12 JEEM23Ph2020 Solution: Speed of an electron in Bohr's 7 th&nbsp; orbit for Hydrogen…

Multiple Choice Options

Step-by-Step Verified Solution

Related Learning Resources & Exam Preparation

QJEEM23Ph2020: JEE Main 2023 Physics - Class 12 JEEM23Ph2020 Solution: Speed of an electron in Bohr's 7 th orbit for Hydrogen…