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Olbers' paradox (H. Olbers; 1826):
If the Universe is uniform, infinite & unchanging then the whole sky at night would be bright regarding as bright as the Sun. The further you looked out to space, the more stars there would be, and therefore in any direction wherein you looked your line-of-sight would impinge upon a star eventually. The paradox is resolved through the big bang theory, which puts forth that the Universe is dynamic, non-uniform and (probably) finite.
The total energy of a simple harmonic oscillator is 0.8 erg. What is its kinetic energy when it is midway between an extreme position and mean position?
#question. all question.
It is the electric dipole moment induced in a system, such as an atom or molecule, by an electric field of unit strength.
Real ball bearings Study real ball bearings and roller bearings. Make a list of devices that having ball bearings or roller bearings.
i want to know about not gate
The birghtness of objects past Neptune actually varies approximately as 1/d^4. Why is that the case?
A step-up transformer has a primary coil having of 152 turns and a secondary coil with 3040 turns. The primary coil receives a peak voltage of 98 V. a. What is the effectiv
what do you mean by retardation plates?explain their functioning by taking an example of a quarter wave plate
It is the difference among potential at two points of a conductor. Please note that by potential(at a point A) ,we actually mean potential difference among point A and another
Superconductivity The phenomena from which, at sufficiently low temperatures, a conductor can conduct charge along with zero resistance. The current theory for describing supe
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