A Ka x ray emitted from a sample has an energy of 7.46 keV. Of which element is the sample made?
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A Ka x ray emitted from a sample has an energy of 7.46 keV. Of which element is the sample made?
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- What is the maximum kinetic energy in eV of electrons ejected from a certain metal by 430nm em radiation given the binding energy is 2.26eV5. An XPS with an instrument work function of 4.5eV was used to analyze a surface. An observed kinetic energy of 795.2 eV was observed when a(n) MgKα (1253.6 eV) X-ray source was used. What was the binding energy of the electron coming from this surface?17. Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube. K-shell electrons of tungsten have 72.5 keV energy. X-rays emitted by the tube contain only (a) a continuous X-ray spectrum (Bremsstrahlung) with a minimum wavelength of = 0.155 A (b) a continuous X-ray spectrum (Bremsstrahlung) with all wavelengths. 3 (c) the characteristic X-ray spectrum of tungsten. (d) a continuous X-ray spectrum (Bremsstrahlung) with a.. minimum wavelength of 0.155A and the characteristic X-ray spectrum of tungsten. C
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- a) What is the momentum of a 0.0080-nm wavelength photon that could detect details of an atom? x10 23 kg m/s b) Calculate its energy. MeV3. The mass attenuation coefficient of copper is 0.0589 cm2/g for 1.0-MeV photons. Find required thickness of the protective copper shield in order to achieve 50 % reduction of X-Ray radiation intensity. The density of copper is 8.9 g/cm3. Kindly give elaborate and Explained answer .