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If we have to strain a ferromagnetic crystal along certain direction, we would change the inter atomic spacing not only along this direction but also in other direction. And hence the exchange interactions between the atomic spins are also changed. This would lead to a change in the magnetization property of crystal. When an iron crystal is placed in a magnetic field along an easy direction, it gets longer along this direction but contracts in the transverse directions. The longitudinal strain $l/l along the direction of magnetization is called magnetostriction constant denoted by λ. When the crystal reaches saturation magnetization, λ also reaches saturation called saturation strain. The crystal lattice strain energy associated with magnetostriction is called magnetostrictive energy. Magnetostriction is responsible for transformer hum noise.
Assumptions: Kinetic Energy=KE, Potential Energy=PE m=mass of the skateboarder=55 kg, Velocity v=1.80m/s So ,Initial Energy(KE) of the skateboarder=mv 2 /2 = 0.5* 55 * (1.8)^
Q. Describe Compton effect. Drive an expression for Compton shift. How does it support the particle nature of light. Compton Effect and Quantum Nature of Light A.H. Com
Moment of Inertia In this section we get formulae for determining the moment of inertia or second moment of a mass around an axis for several common physical shapes. The mome
definition off terminal velocity
how to prepare assignment for applications of radioactivity differently ?
The initial conditions for an air-standard Otto cycle operating with a compression ratio of 8:1 are 95 kPa and 17 o C. At the beginning of the compression stroke, the cylinder vol
Explain the formation of diffraction pattern due to plane transmission grating. Describe the meaning of missing spectra in the diffraction pattern.
The frames of reference which are themselves accelerating, rotating etc like that Newton's first law of motion becomes invalid in their case can be known as non-inertial frames of
what is the theory behind bernoullies theorem?
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