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The de- broglie wavelength of an electro...

The de- broglie wavelength of an electron in the first bohr orbit is

A

equal to one-fourth the circumference of the first orbit

B

equal to half the circumference of first orbit

C

equal to twice the circumference of first orbit

D

equal to the circumference of the first orbit

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The correct Answer is:
D
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AAKASH SERIES-ATOMS-EXERCISE -IA
  1. Which of the following parameters are the same for all hydrogen like a...

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  2. The angular momentum of an electron in a hydrogen atom is proportional...

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

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  4. In a hydrogen atom, the radius of n^(th) bohr orbit is rn. The graph b...

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  5. How many waves will be made by an electron in the hydrogen atom if it ...

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  6. An electron in the ground state of hydrogen atom is revolving in antic...

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  7. when an electron falls from a higher energy to a lower energy level th...

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  8. The de- broglie wavelength of an electron in the first bohr orbit is

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  9. Bohr's basic idea of discrete energy levels in atoms and the process o...

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  10. From quantisation of angular momentum one gets for hydrogen atom, the ...

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  11. the excitation energy of lyman last lines is

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  12. The change in orbital angular momentum corresponding to an electron tr...

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  13. The minimum magnetic dipole moment of electron in hydrogen atom is

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  14. Total energy of the electron in hydrogen atom above 0 eV leads to

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  15. An ionized H-molecule consists of an electron and two protons. The pro...

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  16. Consider aiming a beam of free electons towards free protons. When the...

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  17. The simple Bohr model is not applicable to He^(4) atom because

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  18. When a hydrogen atom is raised from the ground state to an excited sta...

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  19. The simple Bohr model is not applicable to He^(4) atom because

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  20. Check the corretness of the following statement about the Bohr model o...

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