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Compared to hydrogen the atom of helium ...

Compared to hydrogen the atom of helium has

A

More mass and is larger in size

B

More mass and is about the same in size

C

More mass and is smaller in size

D

None of the above

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The correct Answer is:
B
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RESNICK AND HALLIDAY-HYDROGEN ATOM-PRACTICE QUESTIONS (Single Correct Choice Type)
  1. Orbital electrons do not spiral into the nucleus because of

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  2. Bohr's model cannot explain the spectrum of neutral Lithium atoms beca...

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  3. Compared to hydrogen the atom of helium has

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  4. If the value of Planck's constant were to increase by a factor of two,...

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  5. In the Bohr model, if an electron moves in an orbit of greater radius

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  6. Which of the following statements is (are) wrong for hydrogen atom?

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  7. The total energy of an electron in the excited state corresponding to ...

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  8. Identify the highest energy photons of the following

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  9. An atom consists of theree energy levels given by a ground state with ...

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  10. When radiation with a continuous spectrum is passed through a volume o...

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  11. Which of the following statement is correct in connection with hydroge...

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  12. A hydrogen atom is excited up to 9th level. The total number of possib...

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  13. A hydrogen atom makes a transition from n=2 to n=1 and emits a photon....

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  14. In a sample of hydrogen-like atom all of which are in ground state, a ...

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  15. At some place in universe an atom consists of a positron revolving rou...

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  16. A hydrogen atom in its ground state absorbs 10.2 eV of energy. What is...

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  17. An electron with kinetic energy =E eV collides with a hydrogen atom in...

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  18. Consider the following: (i) The probability density for an l = 0 sta...

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  19. If P(r) is the radial probability density for a hydrogen atom then the...

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  20. Which of the following sets of quantum number is not possible for an e...

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