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Each physical system has related with it a certain point whose motion characterizes the motion of the whole system. When the system goes under some external forces than this point goes as if the entire mass of the system is concentrated at this point and also the external force is operated at his point of translational motion. This point is called as the centre of mass of the system.
A medium is characterised by relative permittivity ε r =45 and relative permeability μ r =5. Determine the speed of e-m wave in the refractive and medium index of the medium.
IONIC BOND Ionic bonding involves the transfer of electrons from an electropositive atom (an atom that tends to "donate" an electron) to an electronegative atom (an atom that t
what is the ratio of the frictional force and the normal force ?
Explain Antenna. Write a short note or Antenna. Name two parts of antenna.
WHAT IS THE MEAN OF HEAT
what is band gap?
An atom of argon(18 protons, 19 neutrons) is ionised by the removal of two orbiting electrons. Q) How many protons and neutrons are there in this ion?
Some phenomenon based on scattering: (i) Sky looks blue because of scattering. (ii) At the starting time of sunrise or sunset sun looks reddish. (iii) Danger signals are
SPEED: The distance covered by a body in unit time is known as speed. It is represented by V.
High temperatures and pressures are given for the following power plants. ISU co-generation: 400 psi, 750F City of Ames with RDF: 700 psi, 850F Super-critical power pl
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