Pearson eText -- Physics for Scientists and Engineers with Modern Physics -- Instant Access (Pearson+)
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 2P

(II) The measured binding energy of KCl is 4.43eV. From the result of Problem 1, estimate the contribution to the binding energy of the repelling electron clouds at the equilibrium distance r0 = 0.28 nm.

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(3) The photon spectrum from the call molecule has a relatively strong line near λ = 8 milimeters. Estimate the bond length of the molecule by making reasonable assumption a Molar masses: M²₁ = 40₁1 g Mce= 35,5 g се
(i) The total electrical resistivity of metals is the sum of the contributions from thermal vibrations, impurities and plastic deformation; (ii) the resistivity rises linearly with temperature above -200 degree Celsius; (iii) increasing the concentration of impurity results in an enhancement of impurity; (iv) plastic deformation also raises the electrical resistivity due to the increased numbers of electron-scattering dislocations. Which of the above statements is false?  D. (iv) A. (i) C. (iii) E. All of the above B. (ii) Other:
(a) Show that the resistivity of intrinsic germanium at 300 °K is 0.45 2.m if n₁ = 2.5×10¹⁹ m²³, n = 0.38 m²/V.s, p = 0.18 m²/v.s. -3 (b) If a donor-type impurity added to the extent of 1 atom per 108 germanium atoms, prove that the resistivity drops to 0.037 2.m. Density = 5.32x10³ Kg/m³, atomic weight 72.6.
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