Define Superconductivity
Superconductivity: The phenomenon by which, at adequately low temperatures, a conductor can conduct the charge with zero (0) resistance. The current theory for describing superconductivity is the BCS theory.
Explain laws of black-hole dynamics or First law of black hole dynamics and Second law of black hole dynamics? Q : Acceleration during this interval The The velocity of a body was observed to be constant throughout five minutes of its motion. Determine its acceleration during this interval?
The velocity of a body was observed to be constant throughout five minutes of its motion. Determine its acceleration during this interval?
Magnus effect: The rotating cylinder in a moving fluid drags a few of the fluid about with it, in its direction of rotation. This raises the speed in that area, and therefore the pressure is lower. Therefore, there is a total force on the cylinder in
Describe the reason in short why the length of a standard meter re-defined in the year of 1983?
Mach number (E. Mach): It is the ratio of the speed of an object in a specified medium to the speed of sound in that medium.
What do you mean by the term density? Briefly explain it.
Complementarity principle (N. Bohr): The principle that a specified system can’t exhibit both wave-like behavior and particle-like behavior at similar time. That is, some experiments will reveal the wave-like nature of a system,
Wien's displacement law constant, b: It is the constant of Wien displacement law. This has the value of 2.897 756 x 10-3 m K.
what is the characteristics of electronics ?
Standard quantum limit: It is the limit obligatory on standard techniques of measurement by the uncertainty principle in quantum mechanics.
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