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Derive an expression for the concentration of Vacancies at any given temperature. What are the factors affecting Architectural Acoustics and explain the remedies? Discuss different types of Ultrasonic Production Systems.
Derive an expression for Internal Fields in Solids. Explain the Hysteresis curve on the basis of Domain theory of Ferromagnetism. Describe any three processes by which Nano materials are fabricated. Explain the Scanning Electron Microscopy. Explain the principle of Optical Fibre Communication and write a note on Attenuation. Discuss different types of Polarizations in Dielectrics. Define Electronic Polarization and obtain the relevant mathematical expressions for Electronic Polarization in terms of the radius of the atoms.
If the Susceptibility of the material at room temperature is 3. Illustrate on the construction and working principle of a He-Ne Laser giving its energy level diagram. Write down any four applications of Lasers. Derive an expression for acceptance angle for an optical fiber? How it is related to the numerical aperture. What are the properties of Nano Materials?
How the Nano Materials are fabricated using bottom-up, top-down and chemical vapor deposition methods. Briefly, explain about Edge and Screw Dislocations.
Explain the band theory of solids qualitatively and use it for classification of the Materials. If the electron and hole densities are each equal to 3 x per cm2, calculate the conductivity. Give an account of domain structure and how the hysteresis curve is explained on the basis of Domain theory of ferromagnetism.
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S. Chand's Textbook of First Year Physics, 1/e
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BATTLETOME: LEGIONS OF NAGASH