Atom Models - Questions and Answers

26. Planck’s constant is equal to

27. Lines of Paschen series are obtained from the hydrogen atom when the electron jumps from any higher orbit to

28. The lines of Paschen series are obtained for transition of electrons from higher orbits to the orbit quantum number

29. 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

30. In hydrogen atom, the radii of the first four electron orbits are in the ratio of