English

State Bohr Postulate of Hydrogen Atom that Gives the Relationship for the Frequency of Emitted Photon in a Transition. - Physics

Advertisements
Advertisements

Question

State Bohr postulate of hydrogen atom that gives the relationship for the frequency of emitted photon in a transition.

Solution

According to Bohr's postulate: electron might make a transition from one of its specified non-radiating orbits to another of lower energy. When it does so, a photon is emitted having energy equal to the energy difference between the initial and final state.
hν = E − Ef

shaalaa.com
  Is there an error in this question or solution?
2015-2016 (March) Foreign Set 2

RELATED QUESTIONS

How many electrons in an atom may have the following quantum numbers?

n = 3, l = 0


Using Bohr’s postulates, obtain the expression for total energy of the electron in the nth orbit of hydrogen atom.


The earth revolves round the sun due to gravitational attraction. Suppose that the sun and the earth are point particles with their existing masses and that Bohr's quantization rule for angular momentum is valid in the case of gravitation. (a) Calculate the minimum radius the earth can have for its orbit. (b) What is the value of the principal quantum number n for the present radius? Mass of the earth = 6.0 × 10−24 kg. Mass of the sun = 2.0 × 1030 kg, earth-sun distance = 1.5 × 1011 m.


Obtain Bohr’s quantisation condition for angular momentum of electron orbiting in nth orbit in hydrogen  atom on the basis of the wave picture of an electron using de Broglie hypothesis. 


Answer the following question.
Use Bohr's model of hydrogen atom to obtain the relationship between the angular momentum and the magnetic moment of the revolving electron.


Which of the following is/are CORRECT according to Bohr's atomic theory?

(I) Energy is emitted when electron moves from a higher stationary state to a lower one.

(II) Orbits are arranged concentrically around the nucleus in an increasing order of energy.

(III) The energy of an electron in the orbit changes with time.


Calculate the energy and frequency of the radiation emitted when an electron jumps from n = 3 to n = 2 in a hydrogen atom.


Taking the Bohr radius as a0 = 53 pm, the radius of Li++ ion in its ground state, on the basis of Bohr’s model, will be about ______.


What is the energy of an electron in stationary state corresponding to n = 2?


An electron in a hydrogen atom has an energy of -3.4 eV. The difference between its kinetic and potential energy is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×