Meaning of Network
Define the meaning of Network in brief.
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The network is a set of devices joined by physical media links. The network is recursively is a connection of two or more nodes by using a physical link of two or more networks joined by one or more nodes.
what should be the choice of standard unit.
Constancy principle (A. Einstein): One of the postulates of Sir Einstein's special theory of relativity that puts forth that the speed of light in vacuum is computed as similar speed to all observers, in spite of of their relative mot
Refraction law: For a wave-front travelling via a boundary among two media, the first with a refractive index of n_{1}, and the other with one of n_{2}, the angle of incidence theta is associated to the angle of refraction phi by:
Paschen series: The series that explains the emission spectrum of hydrogen whenever the electron is jumping to the third orbital. Each and every line is in the infrared part of the spectrum.
basic SI unit of electric current is termed as Ampere: A (after A.M. Ampere, 1775-1836)
The basic SI unit of electric current, stated as the current that, when going via two infinitely-long parallel conductors of v
Joule: J (after J.P. Joule, 1818-1889): The derived SI unit of energy stated as the quantity of work done by moving an object via a distance of 1 m by exerting a force of 1 N; it therefore has units of N m.
Explain how is energy transformed in the windmills?
Noether theorem (Noether): A theorem that explains that symmetries are what gives rise to conserved quantities. For example, the translational symmetry (that is the fact that the laws of physics work the same in all positions) gives r
As shown in the figure below, a source at S is sending out a spherical wave:
E_{1}=(A×D/r) cos(wt-2πr/λ); where r is the distance to source
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