MHT CET Physics question

For an electron to revolve around the atomic nucleus without radiating energy, the electronic orbit should be

(A)Circular
(B)Elliptical
(C)such that the angular momentum of the electron is an integral multiple of the Planck's constant
(D)such that it contains an integral number of the de-Broglie's wavelengths of the electronCorrect

Answer: (D)

Solution

Stationary orbits are those whose circumference holds a whole number of de Broglie wavelengths (), equivalent to ; being

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Question ID VK-084484