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Explain magnetic susceptibility. Write down the difference between magnetizing field H and magnetic field B. State Gauss’s law for electrostatics and related maxwell’s equation.
Define Gauss’s divergence theorem. Define Ampere’s circuital law. Write down about electrical susceptibility and Atomic polarizability.
How do s-waves and p-waves travel through earth’s interior? How does capillary action affect the soldering process?
Describe the principle of total internal reflection. Explain the principle of a sonar system. Define acoustic impedance of a medium with appropriate example.
Write the general definition of an elastic modulus. From there define young’s modulus. What is Poisson’s ratio? Write down clearly the assumptions which are needed to derive Bernoulli&rsqu
Derive an equations of motion for Foucault’s pendulum. Using Lorontz, transformation derive the rule of velocity addition.
Write down the formula for determination of wavelength of sodium light using Michelson interferometer and refractive index or the thickness of the thin transparent film.
Derive the fringe width in young’s double slit experiment. Why do the Newtons’ rings get closer as the order of the rings increases?
What are postulates of quantum physics? Mention plank distribution law. Using energy distribution function. Prove that mean kinetic energy of a system is always proportional to temperature.
Find the precision with which the Z0 mass and width was measured at LEP and compare to the effect of tides in c above. Conclusions?
What is the potential barrier for the molecule aggregation? Will the solution be stable at these conditions? Will it be stable at 100 mmol/L salt concentration?
Convert azimuth values to quadrant angles:1270 (S 530E), 240, 3050, 1970 and 850.
Air at 20oC at a pressure of 1 bar is flowing over a flat plate at a velocity of 3 m/s. If the plate is maintained at 60o C, compute the heat transfer per unit width of the plate. Suppose the length o
Outline top down and bottom up methods for the creation of nanomaterials: in your answer give an example of each and state the differences between them?
Determine the scattering parameters for a 10dB direction coupler. The Directivity D = 30dB. Assume that it is lossless and the VSWR at each port is 1.0 under matched conditions.
Describe the operation of H-plane, E-plane and E-H plane Tee junctions. Why is a hybrid E-H phase Tee referred to as Magic Tee? Derive the scattering matrix for all of these Tees.
Derive the field expressions for a rectangular cavity resonator. Plot the field patterns for the dominant mode of propagation in such a resonator for TE and TM modes supposing dominant modes.
A rectangular waveguide has dimensions 2.5 X 5 cms. Find out the guide wavelength, phase constant β and phase velocity Vp at a wavelength of 4.5 cms for the dominant mode.
What is the basic difference between a photon of yellow light and a photon of violet light?
What will be the consequence on interference fringes in Young’s double slit experiment if:
State the Huygens principle. For reflection of plane wave front at a plane reflecting surface, construct the corresponding reflected wave front. By using this diagram prove that the angle of inciden
Describe Young’s double slit experiment of interference of light waves. Compute the path difference between interfering waves and give conditions for maxima and minima. Get the expression for
Provide the construction and working of a compound microscope. Define and derive an equation for its magnifying power.
You are given with four lenses of focal lengths 1cm, 3cm, 10cm and 100 cm. Which two would you favor for a microscope and which two for a telescope?
Which type of shift keying technique is used in two tone modulation for code transmission? How is it beneficial than the other type of keying?