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In the Bohr model of a hydrogen atom, th...

In the Bohr model of a hydrogen atom, the centripetal force is furnished by the coulomb attraction between the proton and the electron. If `a_(0)` is the radius of the ground state orbit, m is the mass and e is the chargeon the electron and `varepsilon_(0)` is the vacuum permittivity,the speed of the electron is

A

`(e)/(sqrt(4 pi epsilon_(0)a_(0)m))`

B

`(e)/(sqrt(epsilon_(0)a_(0)m))`

C

Zero

D

`(sqrt(4pi epsilon_(0)a_(0)m))/(e)`

Text Solution

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The correct Answer is:
A
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MOTION-ATOMIC STRUCTURE & X-RAY -Exercise - 1
  1. The product of angular speed and tangential speed of electron in n^"th...

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  2. If in Bohr's atomic model, it is assumed that force between electron a...

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  3. In the Bohr model of a hydrogen atom, the centripetal force is furnish...

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  4. The ionization potential of the hydrogen atom is 13.6 V. The energy ne...

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  5. Ionisation potential of hydrogen atom is 13.6 eV. Hydrogen atom in gro...

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  6. The kinetic energy of electron in the first Bohr orbit of the hydrogen...

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  7. According to Bohr Model for Hydrogen, energy is proportional to :

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  8. In above question.radius is related as :-

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  9. If electron in a hydrogen atom has moves from n = 1 to n = 10 orbit, t...

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  10. The energy of a hydrogen atom in the ground state is -13.6 eV. The ene...

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  11. According to the Bohr theory of Hydrogen atom, the speed of the electr...

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  12. Out of the following which one is not a possible energy for a photon t...

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  13. The transition form the state n = 3 to n = 1 in a hydrogen-like atom r...

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  14. The electron of a hydrogen atom revolves the proton in a circuit nth o...

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  15. When a hydrogen atom is raised the ground state to third state

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  16. The ratio of the energies of the hydrogen atom in its first to second ...

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  17. Which of the transitions in hydrogen atom emits a photon of lowest fre...

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  18. The wavelength of radiation emitted is lambda(0) when an electron jump...

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  19. If an electron in hydrogen atom jumps from third orbit to second orbit...

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  20. The total energy of an electron in the first excited state of the hydr...

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