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Which one of the following is considered...

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 balance the force of attraction between the electron and the protons

D

Angular momentum of electron is an integral multiple of `h/(2pi)`

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The correct Answer is:
D
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