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The wavelength associated with an electr...

The wavelength associated with an electron moving in a potential difference of 2000V is 0.05nm. How slow must a 0.01kg hockey ball travel to have the same de Broglie wavelength as a 2000V electron?

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RC MUKHERJEE-ATOMIC STRUCTURE AND RADIOACTIVITY-Objective Problems
  1. The wavelength associated with an electron moving in a potential diffe...

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  2. The frequency of a green light is 6 xx 10^(14)Hz. Its wavelength is

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  3. The ratio of energy of a photon of 2000Å wavelength radiation to that ...

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  4. The values of charge on the oil droplets experimentally observed were ...

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  5. Which of the following statements is/are correct?

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  6. For which of the following species, Bohr theory does not apply?

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  7. The radius of the first Bohr orbit of hydrogen atom is r. The radius o...

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  8. The electronic velocity in the fourth Bohr orbit of hydrogen is v. The...

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  9. The ionisation potential of hydrogen atom is 13.6 eV. The energy requi...

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  10. The energy of the second Bohr orbit in the hydrogen atom is -3.41eV. T...

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  11. The ratio of the radii of the first three Bohr orbit in H atom is

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  12. The ratio of the difference in energy between the first and second Boh...

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  13. For 1=3, which value of m is not possible?

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  14. The designation of an orbital with n=4 and l=1, is

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  15. Which of the following orbitals is meaningless?

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  16. Which one of the following sets of quantum number is possible for elec...

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  17. The maximum number of electrons in an atom with quantum number n=3, l=...

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  18. The number of orbitals in n=3 are

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  19. If the nitrogen atom has electronic configuration 1s^(7), it would hav...

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  20. Rutherfords experiments , which established the nuclear model of atom ...

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  21. Total number of nodal planes are same in :

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