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A light is evaluated by a rotating Nicol showed no variation of intensity. Determine the state of polarization?
Q. Define Fermi energy. Write down the expression for Fermi Dirac distribution law. Deduce an expression for Fermi energy of a system of free particles. Sol. The Fermi Energy
Write down the differential equation for a simple harmonic oscillator subjected to a damping force proportional to the velocity (v) of the oscillator and the periodic force of angu
Q. Give three applications of photoelectric cells. (i) Photoelectric cells are utilized for reproducing sound in cinematography. (ii) They are utilized for controlling the
Q. What is pair production and pair annihilation? Pair production: The conversion of a photon in to an electron-positron pair on its interaction with the strong electric fie
Sol: The incident angle is 45 because the angle of reflection and angle of incident is equal.
Construction: A motor require essentially a rectangular coil called armature a permanent magnet, a device called commutator to reverse the direction of current and a source of ele
Show the mathematical relation connecting n,u,v and R for refraction at a spherical surface concave towards a point object in a denser medium producing a virtual image.
how heat energy is liberated during respiration?
In case of dextro rotation we consider angle positive & in case of leavo rotatory we consider negative. But in Maths Rotation to left increases value of angle ( + ve)& towards righ
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