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
Supposing the electron is present in the $4^{th}$ energy level of $H$ atom. When the electron returns to the ground state,the possible transitions would be:
Easy
View SolutionWhich of the following relations is applicable for any $H$-like species?
Difficult
View SolutionWhat is the angular momentum of an electron in the fourth orbit of a hydrogen atom?
The angular momentum of the $2^{nd}$ Bohr orbit of the $H$ atom is $x$. Find the angular momentum of the $1^{st}$ excited state of $Li^{+2}$.
Medium
View SolutionExplain the energy of a photon,the kinetic energy of an ejected electron,and the number of photons in the photoelectric effect.
Difficult
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