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Bohr's Postulates

Electron revo...

Question

Electron revolves around nucleus only in those orbits for which the angular momentum is an integral multiple of $\frac{h}{2 π}$ .

A

False

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B

True

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Solution

The correct option is B True

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Similar questions

Q. Assertion :The angular momentum of the electron revolving in a stationary orbit is equal to integral multiples of

\frac{h}{2 π}

. Reason: Angular momentum of an electron orbiting around the nucleus is quantized.

Q. Assertion :The angular momentum of an electron in an atom is quantized. Reason: In an atom only those orbits are permitted in which angular momentum of the electron is integral multiple of

\frac{h}{2 π}

, where h is a plank's constant.

Q. A : Angular momentum of an electron in a hydrogen atom is quantized.
R : In an atom only those orbits are permitted in which angular momentum of the electron is a natural number multiple of

\frac{h}{2 π}

L

is angular momentum of an electron which is revolving around the nucleus of H-atom in the first orbit having radius

r

. The angular momentum of same electron when it is revolving in bigger orbit of radius

9 r

Q. An electron revolving around the nucleus in an orbit has angular momentum equal to

\frac{h}{27 π}

. Can it lose energy?

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