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why at critical temperature in superconductors resistance becomes zero?Solution) For conductors as the temperature increases their rasistance increases and as temperature decreases the resistance decreases. If we continously decrease the temperature then a stage comes that the resistance of conductor becomes zero. The corresponding temperature is known as critical temperature. So at critical temperature the resistance becomes zero.
An inter metallic compound having the chemical formula A 3 B, where A represents a transition element and a crystal structure in which the B atoms are located as the corners and in
Calculate the specific heat of a metal from the following data. A container made of the metal has a mass of 3.2 kg and contains 20 kg of water. A1.7 kg piece of the metal initially
(a) Two55 g ice cubes are dropped into300 g of water in a thermally insulated container. If the water was initially at 25°C, and the ice came directly from a freezer at -15°C, what
Assume a 55.0-kg ice-skater, who was initially at rest, fires a 2.50-kg gun. The 0.045-kg bullet leaves the gun at a velocity of 565.0 m/s. What is the velocity of the ice-
how and why CPH Theory does gainsay the relativity? Answer; Never a CPH Theory gainsays the relativity. It can explain relativistic conceptions. Mainly; A. CPH Theory does c
principle physics
A plane diffraction grating of width 2.5cm has 1500 rulings. Monochromatic light of wave length 5893A 0 is incident normally on it. Determine the angle at which second order princ
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
Urticaria : a skin condition characterized by the development of itchy, raised white lumps surrounded by an area of red inflammation. Osmolarity : The osmotic conc
Derive a mathematical expression for the energy stored in a capacitor. What is the energy stored when the space between the plates is filled with a dielectric a) With chargi
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