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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.
If each point of a surface is at similar potential, then it is known an equipotential surfac. or For a given charge distribution, locus of each and every positions having sim
It's working is based on the detail that if a beam of electron is subjected to the crossed electric field and magnetic field , it experiences a force because of each field. In ca
UNIT: SI unit of force is Newton (N).
Motion of a swing Periodic Motion : Motion that repeats itself in equal intervals of time is known as periodic motion.
what is classification of solid insulator , semiconductor , conductor
Determine the volume of bodily fluid A 60.0 kg runner expends 330 W of power while running a marathon (Fig. P11.28). Assuming that9.00% of the energy is delivered to the muscle
Two speakers are driven by the same oscillator whose frequency is f. They are located a distance d from each other on a vertical pole. A man walks straight toward the lower speaker
Q. If the net force acting on an object is in the positive x-direction, the object moves only in the positive x-direction. It is not true, the object will accelerate only in the
Derive the mathematical expression PV r = constant for an ideal gas undergoing adiabatic reversible expansion.
Kinematic chain related to an assembly of rigid bodies connected by joints that is the mathematical model for a mechanical system. As in the familiar use of the word chain, the rig
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