**Important **__Applications__** of Broglie’s Hypothesis:**

__Applications__De Broglie’s hypothesis is good enough to explain Bohr’s postulates.

- Bohr’s theory states that electron revolves only in orbits of particular radii and in an orbit electron does not emit or absorb energy. It is only possible when electron wave is standing wave and a wave could be standing wave if circumference of the orbit is some integral multiple of the wave length of the electron wave.

n λ = 2 π r

Circumference of orbit = 2 π r

- De Broglie’s hypothesis also verifies Bohr’s postulate about angular momentum.

Apllying equation n λ = 2 π r

and putting vaue λ from de Broglie’s equation

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