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In Bohr's stationary orbits:...

In Bohr's stationary orbits:

A

electrons do not move

B

electrons move emitting radiations

C

energy of the electron remains constant

D

angular momentum of the electron is `h//2pi`

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NARENDRA AWASTHI-ATOMIC STUCTURE-Exercise
  1. Rutherford's experiment on the scattering of alpha particle showed for...

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  2. prop-particles are represented by:

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  3. In Bohr's stationary orbits:

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  4. One the basis of Bohr's model, the radius of the 3rd orbit is :

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  5. The correct expression derived for the energy of an electron in the n^...

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  6. Ionization energy for hydrogen atom in ergs, Joules and eV respectivel...

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  7. For any H like system, the ratio of velocities of electron in I, II & ...

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  8. The volume of nucleus is about :

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  9. An electron in an atom jumps in such a way that its kinetic energy cha...

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  10. The potential energy of an electron in the hydrogen atom is -6.8 eV. I...

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  11. What is the potential energy of an electron present in N- shell of th...

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  12. The kinetic and potential energy (in eV) of electron present in third ...

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  13. The distance between 4th and 3rd Bohr orbits of He^(+) is :

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  14. What atomic number of an element "X" would have to become so that the ...

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  15. The ratio of velocity of the electron in the third and orbit of Li^(2+...

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  16. If radius of second stationary orbit (in Bohr's atom) is R then radius...

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  17. Which state of the triply ionized Beryllium (Be^(3+)) has the same orb...

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  18. Select the incorrect graph for velocity of e^(-) in an orbit vs. Z, 1/...

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  19. What is the frequency of revolution of electron present in 2nd Bohr's ...

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  20. According to Bohr's atomic theory, which of the following is correct ?

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