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Chemistry
Which is the main postulate of Bohr’s model of atom in the following
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Q. Which is the main postulate of Bohr’s model of atom in the following
NTA Abhyas
NTA Abhyas 2022
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 $\frac{h}{2 \pi }$
Solution:
The electron can move only in those circular orbits where the angular momentum is a whole number multiple of $\frac{h}{2 \pi }$ or it is quantised.