Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
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Chapter 43, Problem 17SP
To determine
To verify: Equation 43.3, that is,
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Given:
Nc = (2.51x1019)(mn/mo)3/2 (T/300)3/2
Nv = (2.51x1019)(mp/mo)3/2 (T/300)3/2
and ni = (NcNv)1/2 e(-Eg/2kT)
show that:
ni = (2.51x1019) ((mn/mo) * (mp/mo) )3/2 e(-Eg/2kT)
7.123 One way to estimate the effective charge (Zeff) ofa many-electron atom is to use the equation IE1 =(1312 kJ/mol) (Z2eff/n2), where IE1 is the first ionizationenergy and n is the principal quantum number of theshell in which the electron resides. Use this equation tocalculate the effective nuclear charges of Li, Na, and K.Also calculate Zeff/n for each metal. Comment on yourresults.
Q.3 (a): Discuss completely the construction, working and theory of a GM counter. Explain the
various portions of the characteristic curve.
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Chapter 43 Solutions
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
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