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When an electron in hydrogen atom revolv...

When an electron in hydrogen atom revolves in stationary orbit, it

A

Does not radiate light though its velocity changes

B

Does not radiate light and velocity remain unchanged

C

Radiates light but its velocity is unchanged

D

Radiates light with the change of energy

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The correct Answer is:
A

The electron does not radiate light though its velocity changes .
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MARVEL PUBLICATION-ATOMS, MOLECULES AND NUCLEI -TEST YOUR GRASP
  1. When an electron in hydrogen atom revolves in stationary orbit, it

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  2. According to Rutherford's atom model, the electrons revolving round th...

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  3. The velocity of an electron in the first Bohr orbit of hydrogen atom i...

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  4. The radius of the orbital of electron in the hydrogen atom 0.5 Å. The ...

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  5. The radius of hydrogen atom in its ground state is 5.3 xx 10^-11 m. Af...

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  6. In hydrogen atom, if the difference in the energy of the electron in n...

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  7. The series limit of Balmer series is 6400 Å. The series limit of Pasch...

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  8. An electron jumps from the 3rd orbit to the ground orbit in the hydrog...

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  9. If the following atoms and molecylates for the transition from n = 2 t...

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  10. The diagram shows the energy levels for an electron in a certain atom....

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  11. The de-Broglie wavelength of a particle having a momentum of 2xx10^(-2...

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  12. What will be the ratio of de - Broglie wavelengths of proton and alpha...

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  13. de-Broglie wavelength associated with an electron accelerated through ...

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  14. An electtron and a photon have same wavelength . If p is the moment of...

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  15. An X ray tube is operated at an accelerating potential of 40 kV. What ...

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  16. A The wavelength of the Kalpha line ofthe characteristic X rays emitt...

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  17. In the following reaction. .12 Mg^24 + .2He^4 rarr .14 S i^X +.0 n^1...

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  18. The radius of germanium (Ge) nuclide is measured to be twice the radiu...

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  19. The binding energy per nucleon is maximum in the case of.

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  20. The binding energy per nucleon of O^16 is 7.97 MeV and that of O^17 is...

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  21. In any fission the ratio ("mass of fission produts")/("mass of paren...

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