Pearson eText -- Physics for Scientists and Engineers with Modern Physics -- Instant Access (Pearson+)
5th Edition
ISBN: 9780137488179
Author: Douglas Giancoli
Publisher: PEARSON+
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Chapter 40, Problem 44P
To determine
Find the density of states of three-dimensional well.
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Students have asked these similar questions
(4) Electronic energy level of a hydrogen atom is given by
R
; п %3D 1,2, 3,...
n2
E = -
and R = 13.6 eV. Each energy level has degeneracy 2n2 (degeneracy is the number of equivalent
configurations associated with the energy level).
(a) Derive the partition function for a hydrogen atom at a constant temperature.
(b) Consider that the energy level of a hydrogen atom is approximated by a two level system,
n = 1,2. Estimate the mean energy at 300 K.
(a) For indium phosphide (InP) at room
temperature, calculate the electron and
hole mobilities for the following cases :
For intrinsic InP, the electrical
conductivity, the number of electrons
per cubic meter and the number
of holes
per cubic meter
are
2.5 x 10-6 (22m)¹, 3× 10¹3 m -3
and
3 x 1013 m3, respectively. Similarly, for
n-type extrinsic InP, the electrical
conductivity, the number of electrons
per cubic meter and the number of
cubic meter
holes
per
3-6x 10-6 (2m), 4.5 × 10¹3-3
2 x 10¹3 m³, respectively.
are
and
(4) Electronic energy level of a hydrogen atom is given by
R
E
; n =
n2
1, 2, 3,...
and R = 13.6 eV. Each energy level has degeneracy 2n² (degeneracy is the number of equivalent
configurations associated with the energy level).
(a) Calculate the partition function Z for a hydrogen atom at a constant temperature.
(b) Let us consider that the energy level of a hydrogen atom is approximated by a two level
system, n = 1,2. Estimate the mean energy at 300 K.
Chapter 40 Solutions
Pearson eText -- Physics for Scientists and Engineers with Modern Physics -- Instant Access (Pearson+)
Ch. 40 - What type of bond would you expect for (a) the N2...Ch. 40 - Describe how the molecule CaCl2 could be formed.Ch. 40 - Does the H2 molecule have a permanent dipole...Ch. 40 - Although the molecule H3 is not stable, the ion...Ch. 40 - The energy of a molecule can be divided into four...Ch. 40 - Would you expect the molecule H2+ to be stable? If...Ch. 40 - Explain why the carbon atom (Z = 6) usually forms...Ch. 40 - Prob. 1PCh. 40 - (II) The measured binding energy of KCl is 4.43eV....Ch. 40 - (I) Show that the quantity 2/I has units of...
Ch. 40 - Prob. 9PCh. 40 - Prob. 23PCh. 40 - Prob. 24PCh. 40 - Prob. 25PCh. 40 - Prob. 26PCh. 40 - Prob. 27PCh. 40 - Prob. 28PCh. 40 - Prob. 30PCh. 40 - Prob. 31PCh. 40 - Prob. 32PCh. 40 - Prob. 33PCh. 40 - Prob. 34PCh. 40 - Prob. 35PCh. 40 - Prob. 36PCh. 40 - Prob. 37PCh. 40 - Prob. 38PCh. 40 - Prob. 39PCh. 40 - Prob. 40PCh. 40 - Prob. 41PCh. 40 - Prob. 42PCh. 40 - Prob. 43PCh. 40 - Prob. 44P
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