English

If L3 and L2 Represent Angular Momenta of an Orbiting Electron in Iii and Ii Bohr Orbits Respectively, Then L3: L2 is :

Advertisements
Advertisements

Question

If l3 and l2 represent angular momenta of an orbiting electron in III and II Bohr orbits respectively, then l3: l2 is :

Options

  • 3: 2

  • 9: 4

  • 2: 3

  • 4: 9

MCQ
Advertisements

Solution

If l3 and l2 represent angular momenta of an orbiting electron in III and II Bohr orbits respectively, then l3: l2 is : 3: 2

shaalaa.com
  Is there an error in this question or solution?
2013-2014 (March)

APPEARS IN

RELATED QUESTIONS

Find the frequency of revolution of an electron in Bohr’s 2nd orbit; if the radius and speed of electron in that orbit is 2.14 × 10-10 m and 1.09 × 106 m/s respectively. [π= 3.142]


Using Bohr’s postulates, obtain the expressions for (i) kinetic energy and (ii) potential energy of the electron in stationary state of hydrogen atom.

Draw the energy level diagram showing how the transitions between energy levels result in the appearance of Lymann Series.


Using Bohr’s postulates, derive the expression for the frequency of radiation emitted when electron in hydrogen atom undergoes transition from higher energy state (quantum number ni) to the lower state, (nf).

When electron in hydrogen atom jumps from energy state ni = 4 to nf = 3, 2, 1, identify the spectral series to which the emission lines belong.


How are various lines of Lyman series formed? Explain on the basis of Bohr’s theory.


Ratio of longest to shortest wavelength in Balmer series is ______.


In form of Rydberg's constant R, the wave no of this first Ballmer line is


The mass of a H-atom is less than the sum of the masses of a proton and electron. Why is this?


When an electron falls from a higher energy to a lower energy level, the difference in the energies appears in the form of electromagnetic radiation. Why cannot it be emitted as other forms of energy?


The figure below is the Energy level diagram for the Hydrogen atom. Study the transitions shown and answer the following question:

  1. State the type of spectrum obtained.
  2. Name the series of spectrum obtained.


The radius of hydrogen atom in the ground state is 0.53 Å. The radius of Li2+ ion (atomic number = 3) in a similar state is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×