The sketch of the absorption spectra at temperature
Answer to Problem 4P
The sketch of the absorption spectra at temperature
Explanation of Solution
Write the expression for number of particles.
Here,
Substitute
Here,
Write the expression for strength of absorption spectra.
Here,
Here, the transition probability is equal for all allowed transitions.
It gives
Compare the strength for level
Substitute
Similarly the strength for level
Conclusion:
Calculate the value
Calculate the value
For
Substitute
Substitute
The sketch of the absorption spectra at temperature
For
Substitute
Substitute
The sketch of the absorption spectra at temperature
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Chapter 10 Solutions
Modern Physics, 3rd Edition
- Plot the Fermi-Dirac function f(E) versus the energy ratio E/EF at room temperature T=300oK.(Assume EF independent of temperature.)If EF=5ev, determine the energy values at which f (E)=0.5.0.7.0.9 and 0.95?arrow_forwardQ#04. (a) Calculate the number of atoms per unit area in (100), (110) and (111) planes of in bcc crystal with the lattice parameter of 2.5 angstrom.arrow_forwardIn solid KCI the smallest distance between the centers of a. potassium ion and a chloride ion is 314 pm. Calculate the length of the edge of the unit cell and the density of KCI, assuming it has the same structure as sodium chloride.arrow_forward
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- Modern PhysicsPhysicsISBN:9781111794378Author:Raymond A. Serway, Clement J. Moses, Curt A. MoyerPublisher:Cengage Learning