Q.

Bohr's postulate that  mvr =nh2π  is proved mathematically by

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a

Pauli's exclusion principle

b

de Broglie wave nature of the electron

c

Heisenberg's uncertainity principle

d

Sommerfield theory

answer is B.

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Detailed Solution

2πr = nλ;2πr = nh/mvmvr = nh/2π
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