Vedclass
Class 11ChemistryStructure of AtomAtomic models and Planck's quantum theory
Medium

Which one of the following is considered as the main postulate of Bohr’s model of atom?

  • A
    Protons are present in the nucleus
  • B
    Electrons are revolving around the nucleus
  • C
    Centrifugal force produced due to the revolving electrons balances the force of attraction between the electron and the protons
  • D
    Angular momentum of electron is an integral multiple of $\frac{h}{2\pi}$
Share

Explore More

Browse All

Question Bank

11

All Subjects

Class 11 Questions

Class 11

Chemistry Questions

Chapter

Structure of Atom

Subtopic

Atomic models and Planck's quantum theory

Similar Questions

If the wavelength of the first line of the Paschen series of a hydrogen atom is $720 \ nm$,then the wavelength of the second line of this series is $.......... \ nm$. (Nearest integer)

DifficultJEE MAIN 2023
View Solution

If the velocity of the revolving electron of $He^{+}$ in the first orbit $(n=1)$ is $v$,what is the velocity of the electron in the second orbit $(n=2)$?

MediumKVPY 2020
View Solution

In the hydrogen spectrum,if an electron transitions from the $6^{th}$ orbit to the $3^{rd}$ orbit,what is the total number of spectral lines observed in the infrared region?

Difficult
View Solution

Bohr's atomic model explains the spectrum of only $.......$.

Easy
View Solution

Based on equation $E = -2.178 \times 10^{-18} \ J \ \frac{Z^2}{n^2}$,certain conclusions are written. Which of them is not correct?

Medium
View Solution

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo