English
Tamil Nadu Board of Secondary EducationHSC Science Class 11

According to the Bohr Theory, which of the following transitions in the hydrogen atom will give rise to the least energetic photon?

Advertisements
Advertisements

Question

According to the Bohr Theory, which of the following transitions in the hydrogen atom will give rise to the least energetic photon?

Options

  • n = 6 to n = 1

  • n = 5 to n = 4

  • n = 5 to n = 3

  • n = 6 to n = 5

MCQ
Advertisements

Solution

n = 6 to n = 5

shaalaa.com
Introduction to Atom Models
  Is there an error in this question or solution?
Chapter 2: Quantum Mechanical Model of Atom - Evaluation [Page 60]

APPEARS IN

Samacheer Kalvi Chemistry - Volume 1 and 2 [English] Class 11 TN Board
Chapter 2 Quantum Mechanical Model of Atom
Evaluation | Q I. 6. | Page 60

RELATED QUESTIONS

Splitting of spectral lines in an electric field is called __________.


In J.J. Thomson e/m experiment, a beam of electron is replaced by that of muons (particle with same charge as that of electrons but mass 208 times that of electrons). No deflection condition is achieved only if


The ratio of the wavelengths for the transition from n =2 to n = 1 in Li++, He+ and H is ______.


The electric potential between a proton and an electron is given by V = V0 In `("r"/"r"_0)`, where ris a constant. Assume that Bohr atom model is applicable to potential, then a variation of radius of nth orbit rn with the principal quantum number n is


Write down the postulates of Bohr atom model.


What is meant by excitation energy?


Explain the J. J. Thomson experiment to determine the specific charge of an electron.


Derive the energy expression for an eletron is the hydrogen atom using Bohr atom model.


In the Bohr atom model, the frequency of transitions is given by the following expression

v = `"Rc" (1/"n"^2 - 1/"m"^2)`, where n < m

Consider the following transitions:

Transitions m → n
1 3 → 2
2 2 → 1
3 3 → 1

Show that the frequency of these transitions obey sum rule (which is known as Ritz combination principle).


  1. A hydrogen atom is excited by radiation of wavelength 97.5 nm. Find the principal quantum number of the excited state.
  2. Show that the total number of lines in emission spectrum is `("n"("n - 1"))/2`.
    Compute the total number of possible lines in emission spectrum as given in(a).

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×