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CHE105 Summer 2016 EX3 A 52 g block of gold, initially at 89 °C, is
CHE105 Summer 2016 EX3 A 52 g block of gold, initially at 89 °C, is

... A. The energy of light must be greater than the binding energy of an electron. B. The energy of light is independent to the binding energy of an electron. C. The energy of light must be less than the binding energy of an electron. D. The energy of light must be equal to the binding energy of an elec ...
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... 1. The index of refraction depends on the crystal direction. The optical effects resulting from this are called "birefringence" or double refraction (Latin: bi = two, twice, refringere = to break up, to refract). 2. The absorption depends on the polarization (and the crystal direction). In some dire ...
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... are driven by the Pauli exclusion principle. Two pairs containing two identical fermions in the same spin state cannot show up at the same time at the same place. However at a given location we may find 21 charged fermion pairs since different fermions can superpose spatially. In solid state physics t ...
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... vicinity) and becomes a Helium-3 ion. Before the decay, the orbiting electron had a kinetic energy of 13.603 eV (and a rest energy of 510998.918 eV). Substituting through the Lorentz equation, this is a velocity of c/137.052 (relative to the center of mass). After the decay, the electron accelerate ...
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... power level for SS-OCT is expected to be similar to that for TD-OCT. In FD-OCT, where the reference arm power is dispersed onto M photodetectors, the total reference power required to achieve shot noise-limited detection on all receivers simultaneously is more than that required for SS-OCT and TD-OC ...
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X-ray fluorescence



X-ray fluorescence (XRF) is the emission of characteristic ""secondary"" (or fluorescent) X-rays from a material that has been excited by bombarding with high-energy X-rays or gamma rays. The phenomenon is widely used for elemental analysis and chemical analysis, particularly in the investigation of metals, glass, ceramics and building materials, and for research in geochemistry, forensic science and archaeology.
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