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Cosmic background radiation; primal glow
The background of radiation typically in the frequency range 3 x 1011 to 3 x 108 Hz discovered in space in the year of 1965. It is supposed to be the cosmologically redshifted radiation free through the big bang itself. Currently it has an energy density in empty space of about 4 x 10-14 J/m3.
Force in Two and Three Dimensions - Pressure and Fluids Pressure is a force exerted over an area and is measured in Pascals (Pa). P (in Pa) = Force (in newtons) / area (
Although conduction does occur in liquids and gases also, heat is transmitting in these media mostly by convection. In that phenomenon, the real motion of the material is responsib
Q. Write down the Schrodinger's time independent wave equation for a free particle confined in one dimensional box of size a. Obtain eigen values and normalized wave functions fo
describe young''s double slits experiments for interference of light ?
a parallel pate capacitor has two dieletric slabs between the plates with interface normal to E and D.the thickness of each slab is 1cm,area is 100cm2.neglect fringing effects.dete
when is the body said to be at rest
What is an intrinsic semiconductor? How can this material be changed into (i) P-type (ii) N-type extrinsic semiconductor? Describe with the help of energy band diagrams
Q. Illustrate what does hull speed mean? Answer:- Hull speed- It is the theoretical limit of a sail craft's speed. It is able to be approximated by the following formula
Watt; W (after J. Watt, 1736-1819): The derived SI unit of power, explained as a power of 1 J acting onto a period of 1 s; thus it has units of J/s.
what do you understand about phsics
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