Plancks constant is equal to

  1. Home

Question:
Plancks constant is equal to

1.6.64 ? 10-34 J/s

2.6.64 ? 10-34 Js

3.6.64 ? 1030 J/s

4.6.64 ? 1034 Js

Posted Date:-2021-10-18 10:49:35

More MCQS Questions and answers

  1. 5.The wave number is the number
  2. A neutral atom has two electrons in K-shell eight electrons in L-shell and six electrons in M-shell. The total number of s-electrons is
  3. According to Bohrs atom model the angular momentum of the electron in its non-radiating orbit is in integer multiple of the quantity
  4. According to Rutherford atom model an atom is
  5. According to Rutherford atom model the electrons are revolving around the nucleus so that centripetal force is provided by
  6. An atom emits a photon when one of its orbital electrons
  7. An atom is made up of a number of electrons embedded in a sphere of positive charge. This was proposed by
  8. For ionizing an excited hydrogen atom the energy required in eV will be
  9. In hydrogen atom the radii of the first four electron orbits are in the ratio of
  10. In the spectral series of hydrogen atom all the lines having their wavelengths in the visible region are called
  11. Lines of Paschen series are obtained from the hydrogen atom when the electron jumps from any higher orbit to
  12. Paschen series is in the region of
  13. Plancks constant is equal to
  14. Prouts suggestion on atomic structure was not accepted because
  15. The electron in a hydrogen atom makes a transition from an exited state to the ground state. Then (a) its kinetic energy increases (b) its potential energy decreases (c) its angular momentum increases (d) its linear momentum increases. Which of the above statements are correct
  16. The energy required to remove an electron from the first orbit of hydrogen atom to outside the atom is
  17. The energy required to remove an electron from the orbit of hydrogen atom is called
  18. The energy required to remove an electron from the second orbit of the hydrogen atom is
  19. The ionization potential of hydrogen is 13.6 eV. The energy of an electron in the second orbit is
  20. The lines of Paschen series are obtained for transition of electrons from higher orbits to the orbit quantum number
  21. The magnitude of the energy of the electron in a hydrogen atom is proportional to (r- radius of the orbit)
  22. The nucleus is a sphere of radius about
  23. The nucleus of an atom consists of
  24. The potential energy of an electron in a given orbit is
  25. The radii of the Bohrs orbit of hydrogen atom are proportional to
  26. The second line of Balmer series in the hydrogen spectrum occurs due to the transition of electrons form the
  27. The series of the hydrogen spectral lines given by the expression 1/? = R ? (1/12 � 1/n2) n=2 3 4 � is
  28. The total energy of an electron in any atom is
  29. The value of Rydbergs constant is
  30. The wavelength of the spectral lines of the Brackett series of hydrogen atom are in the region
  31. Two electrons in the sub-shell s of shell L are denoted as
  32. When the electron of hydrogen atom jumps from any of the outer orbits to the first orbit the series of spectral lines emitted is called
  33. When the wavelength of Balmer first line is 6563 � the wavelength of second line is
  34. Which of the following is similar to the solar system
  35. Which of the following series of hydrogen spectral lines occurs in the ultraviolet region
Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!