Foundations of Materials Science and Engineering
6th Edition
ISBN: 9781259696558
Author: SMITH
Publisher: MCG
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Chapter 15.10, Problem 10KCP
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Describe the luminescence effect operating in a fluorescent lamp.
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Chapter 15 Solutions
Foundations of Materials Science and Engineering
Ch. 15.10 - Write the equation relating the energy of...Ch. 15.10 - Prob. 2KCPCh. 15.10 - Prob. 3KCPCh. 15.10 - Prob. 4KCPCh. 15.10 - Prob. 5KCPCh. 15.10 - Explain why metals absorb and/or reflect incident...Ch. 15.10 - Prob. 7KCPCh. 15.10 - Prob. 8KCPCh. 15.10 - Prob. 9KCPCh. 15.10 - Prob. 10KCP
Ch. 15.10 - Prob. 11KCPCh. 15.10 - Prob. 12KCPCh. 15.10 - Prob. 13KCPCh. 15.10 - Prob. 14KCPCh. 15.10 - Prob. 15KCPCh. 15.10 - Prob. 16KCPCh. 15.10 - What are the basic elements of an optical-fiber...Ch. 15.10 - Prob. 18KCPCh. 15.10 - Explain how optical fibers act as waveguides.Ch. 15.10 - Prob. 20KCPCh. 15.10 - Prob. 21KCPCh. 15.10 - Prob. 22KCPCh. 15.10 - Prob. 23KCPCh. 15.10 - Prob. 24KCPCh. 15.10 - Prob. 25KCPCh. 15.10 - Why are type I superconductors poor...Ch. 15.10 - Prob. 27KCPCh. 15.10 - Prob. 28KCPCh. 15.10 - Prob. 29KCPCh. 15.10 - Prob. 30KCPCh. 15.10 - Prob. 31KCPCh. 15.10 - Prob. 32AAPCh. 15.10 - A semiconductor emits green visible radiation at a...Ch. 15.10 - Prob. 34AAPCh. 15.10 - Calculate the reflectivity of ordinary light from...Ch. 15.10 - Prob. 36AAPCh. 15.10 - Prob. 37AAPCh. 15.10 - Prob. 38AAPCh. 15.10 - Prob. 39AAPCh. 15.10 - Prob. 40AAPCh. 15.10 - Prob. 41AAPCh. 15.10 - Prob. 42AAPCh. 15.10 - Prob. 43AAPCh. 15.10 - Prob. 44AAPCh. 15.10 - Prob. 45AAPCh. 15.10 - Prob. 46AAPCh. 15.10 - Prob. 47AAPCh. 15.10 - Prob. 48AAPCh. 15.10 - Prob. 49AAPCh. 15.10 - Prob. 50AAPCh. 15.10 - Prob. 51AAPCh. 15.10 - Prob. 52SEPCh. 15.10 - Prob. 53SEPCh. 15.10 - Prob. 54SEPCh. 15.10 - Prob. 55SEPCh. 15.10 - Prob. 56SEP
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- 9. Figure shows the first five peaks of the x-ray diffraction pattern for tungsten, which has a BCC crystal structure; monochromatic x-radiation having a wavelength of 0.1542 nm was used. (a) Index (i.e., give h, k, and I indices) for each of these peaks. (b) Determine the interplanar spacing for each of the peaks. (c) For each peak, determine the atomic radius for W. 0.0 20.0 40.0 60.0 80.0 100.0 Diffraction angle 20 Intensityarrow_forwardDefine the following terms using diagrams and stating units where appropriate:a-Declinationb- Solar irradiation and Solar irradiance (insolation)arrow_forward(III) A beam of light enters the end of an optic fiber as shown in Fig. 23–58. (a) Show that we can guarantee total internal reflection at the side surface of the material (at point A), if the index of refraction is greater than about 1.42. In other words, regardless of the angle a, the light beam reflects back into the material at point A, assuming air outside. (b) What if the fiber were immersed in water? IB Air Transparent material FIGURE 23-58 Problem 40.arrow_forward
- Draw and explain how the “photoelectric effect” is used in a solar panel to power up electrical devices in a building. Label the parts with explanations.arrow_forwardAn atom in a state with l = 1 emits a photon with wavelength 600.000 nm as it decays to a state with l = 0. If the atom is placed in a magnetic field with magnitude B = 2.00 T, what are the shifts in the energy levels and in the wavelength that result from the interaction between the atom’s orbital magnetic moment and the magnetic field?arrow_forwardQI. A free-air ionization chamber with a sensitive volume of 14 cm' is exposed to gamma rays. A reading of 10" A is obtained under saturation conditions when the temperature is 20-C and the pressure is 762 torr. (a) Calculate the exposure rate. (b) How would the exposure rate be affected if the temperature dropped 2 C? (c) Would the current change.arrow_forward
- The metal iridium has an FCC crystal structure. If the angle of diffraction for the (220) set of planes occurs at 69.22° (first-order reflection) when monochromatic x-radiation having a wavelength of 0.1542 nm is used, compute (a) the interplanar spacing for this set of planes, and (b) the atomic radius for an iridium atom.arrow_forwardThe energy E of the electron in a hydrogen atom can be calculated from the Bohr formula: R, E- In this equation R, stands for the Rydberg energy, and n stands for the principal quantum number of the orbital that holds the electron. (You can find the value of the Rydberg energy using the Data button on the ALEKS toolbar.) Calculate the wavelength of the line in the emission line spectrum of hydrogen caused by the transition of the electron from an orbital with n=7 to an orbital with n=3. Round your answer to 3 significant digits.arrow_forwardQ/ What is the velocity of light in water, n = 1.33? Q/ What is the refractive index of a medium in which light has a velocity of 2*10® m/s?arrow_forward
- The reason that The ionisation energy of an atom is particularly high if the outermost shell is fully occupied is.. * 2 marks Atom is stable Atom is inert Energy of the electrons is strong Energy of the electrons is weakarrow_forwardPots and pans used on solar cookers should be black in color to maximize the reflection. Select one: True Falsearrow_forwardNarqul Calculate mass contained in red light of wavelength 7×10 bi, 'm which hits an electron at rest the energy contained in the light wave is completely lost to the electron. Calculate the velocity and the de Broglie wavelength of electron. Solutionarrow_forward
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