Modern Physics (3rd Edition)
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This is because the amplitude of vibrations ... more
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The difference in their behaviour is because of ... more
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For metals, , for semiconductors is on the order ... more
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Ionically bonded solids are hard and stable. They ... more
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Covalently bonded solids are hard, have large bond... more
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To create an electron-hole pair, the electron in ... more
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The elements such as N (Nitrogen), P (Phosphorus... more
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PN junction acts as a rectifier by converting AC ... more
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The classical approach deals with the metal by ... more
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Free electrons were responsible for both ... more
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Crystalline, amorphous and gaseous substances ... more
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The physical sources are resistivity, length and ... more
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Yes ; Average is the mean value of data of ... more
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Both equations have similar forms. ; Thermal ... more
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Spontaneous emission is independent of the ... more
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A two-level system cannot support a population ... more
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The number of channels carried by the laser beam ... more
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The condition of population inversion must be met ... more
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Light interacts with the matter by absorption, ... more
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The negative sign indicates the fact that heat ... more
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Because no energy level available below the Cooper... more
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The formula to calculate the total energy per ion ... more
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; Carbon structure in diamond. Triangle is a ... more
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7.84 eV/ion pair ; The ionic cohesive energy of ... more
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One dimensional chain of alternating positive and ... more
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The average time between the electronic collisions... more
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0.67 eV ; For the optical absorption, the energy ... more
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Wavelength is the distance traveled by the wave in... more
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203 A ; The formula to calculate the radius of the... more
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5.24 J/g ; In the liquid helium, each atom bonds ... more
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