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Bohr'satom model assumes...

Bohr'satom model assumes

A

The nucleus is of infinite mass and is at rest

B

electron in a quantized orbit will not radiate energy

C

mass of the electrons remain constant.

D

`1,2,3` are correct

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The correct Answer is:
D
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NARAYNA-ATOMIC PHYSICS-C.U.Q
  1. a-particles are

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  2. In scattering experiment , the force that scatters particles is

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  3. Bohr'satom model assumes

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  4. The rartio ("in" S 1 units) of magnetic dipole moment to that of the a...

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  5. The radius of hydrogen atom , when it is in its second excite state , ...

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  6. For electron moving in n^(th) orbit of the atom , the angular velocity...

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  7. The size of atomic nucleus is of the order of............ m and size ...

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  8. In the lowest energy level of hydrogen atom, the electron has the angu...

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  9. Atomic hydrogen is excited to the nth energy level . The maximum numbe...

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  10. As the orbit number increase , the distance between two consecutive or...

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  11. Ionization energy of a hydrogen like A is greater than that of another...

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  12. The classification of discrete energy levels in atom was first given e...

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  13. An atomic nucleus contains

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  14. On decreasing principal quantum number n, the value of r and v will

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  15. The possible values of principal quantum number can be

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  16. According to sommerfeld , an electron revolves round a necleus in

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  17. The main defect of Bohr's atom model is

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  18. According to Bhor's discrete quantium is

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  19. If En and Ln denote the total energy and the angular momentum of an el...

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  20. If the radius of first Bohr's orbit is r, then radius of second orbit ...

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