The radius of the first Bohr orbit for hydrogen is $0.53 \ \mathring{A}$. The radius of the third Bohr orbit would be .............. $\mathring{A}$.
- A$0.79$
- B$1.59$
- C$3.18$
- D$4.77$
Explore More
Similar Questions
The wave number of the spectral line in the emission spectrum of hydrogen will be equal to $\frac{8}{9}$ times the Rydberg's constant if the electron jumps from
For $Li^{2+}$ ion,the ratio of radii $r_2 : r_5$ will be
Easy
View SolutionThe longest wavelength line in the Lyman series of the $H$ atom spectrum is $:-$
Medium
View SolutionTwo electrons are revolving around a nucleus at distances $r$ and $4r$. The ratio of their time periods is
Medium
View SolutionOn what factors does the magnitude of the velocity of an electron in an orbit depend?
Easy
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo