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If the radius of an orbit is r and the v...

If the radius of an orbit is r and the velocity of electron in it is v, then the frequency of electron in the orbit will be

A

`2pi` rv

B

`(2pi)/(vr)`

C

`(vr)/(2pi)`

D

`(v)/(2pi r)`

Text Solution

Verified by Experts

The correct Answer is:
D
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AAKASH SERIES-ATOMS-EXERCISE - I
  1. When electrons jump from higher energy orbits to third orbit spectral...

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  2. The diagram shows the energy levels for an electron iin a certain atom...

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  3. The wavelengths involved in the specturm of deuterium (""(1)D^(2)) are...

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  4. Hydrogen atom does not emit X-rays because:

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  5. Atomic hydrogen is excited from the grounds state to the n^(th) state....

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  6. Which of the following is not correct in Bohr model of hydrogen atom?

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  7. Which of the following transitions gives photon of maximum energy

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  8. The Bohr's model of atoms:

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  9. Bohr's model for the hydrogen atom predicts that the absorption spectr...

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  10. Three photons coming from excited atomic hydrogen sample are picked up...

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  11. Whenever a hydrogen atom emits a photon in the Balmer series

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  12. When a hydrogen atom is raised from the ground state to fifth stale(ex...

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  13. Consider a spectral line resulting from the transition n = 5 to n = 1,...

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  14. In which of the following systems will the radius of the first orbit (...

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  15. If the radius of an orbit is r and the velocity of electron in it is v...

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  16. As the quantum number increases, the difference of energy between cons...

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  17. Which of the following parameters are the same for all hydrogen-like a...

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  18. The electron in a hydrogen atom makes a transition from an excited sta...

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  19. The angular momentum of an electron in a hydrogen atom is proportion t...

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  20. The number of spectral lines in hydrogen atom are

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