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In which of the following systems will t...

In which of the following systems will the radius of the first orbit of the electron be smallest?

A

hydrogen

B

singly ionized helium

C

deuterium

D

tritium

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CHETANA PUBLICATION-Structure of atoms and nuclei-EXERCISE
  1. The energy in the ground state of hydrogen atom is -13.6 eV, then ener...

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  2. The De Broglie wavelength associated with a particle of mass m and vel...

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  3. In which of the following systems will the radius of the first orbit o...

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  4. The radius of the 4th orbit of the electron will be smaller than its 8...

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  5. In the spectrum of hydrogen atom which transition will yield longest w...

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  6. Which of the following properties of a nucleus does not depend on it...

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  7. If the number of nuclei in a radioactive sample at a given time is N, ...

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  8. The volume of the nucleus is proportional to

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  9. What is the relation between the radius of the nucleus and the mass nu...

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  10. The nucleus having same mass number is called

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  11. The energy of an electron moving with the velocity of light is given b...

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  12. Radioactivity is a phenomenon associated with

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  13. The emission of beta particles is from

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  14. The radiations which are not affected by electric or magnetic field is

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  15. Which of the following radiation has maximum ionization power and mini...

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  16. In Davission and Germer experiment, crystal used to produce scattering...

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  17. Geiger - Marsden's experiment confirmed the theoretical predictions of...

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  18. In the spectrum of hydrogen atom which transition will yield shortest ...

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  19. If the number of nuclei in a radioactive sample at a given time is N, ...

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  20. If the number of nuclei in a radioactive sample at a given time is N, ...

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