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Gravitational field can also be shown by lines of force. This is same in several ways as that of electric lines of forces. With one dissimilarity, electric charges are negative and positive which causes force of attraction among dislike charges and repulsion among like charges. While in phase of gravitation the force is always of attraction.
A line of force is drawn in such a way that at every point the direction of field is tangent to line that passes by the point. Thus tangent to any point on a line of force gives the direction of gravitational field at that position. Lines of forces are given in such a way that their density is proportional to the strength of field.
Q. Why does sun seems flat during sunrise and sunset? Answer:- The sun rays have to move through a larger atmospheric distance. The majority of the blue light and shorter
It is described as the nature of charge potential of charge potential is of two types: (i) Positive potential: with respect to positive charge. (ii)Negative potential: with r
An echo is easily the retransmission of speaker's own voice caused by reflection at a distance surface. If there is a sound reflector at a distance d from host, then the time in
Ohm's law (G. Ohm; 1827): The ratio of the potential difference among the ends of a conductor to the current passing through it is constant; the constant of proportionality is
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When the economy experiences a downfall, the government knows exactly which policies will spur an economic recovery. Often policymakers fail to take the right decisions for both
Ohm''s law establishment using drift of charge carriers
Illustrates term refractive index in optical fibres? Refractive Index: Optical fibres consist of two layers which are core and cladding with various refractive indices. T
how to solve problems on constrained relations
What are the applications of nmr spectroscopy? The major applications of NMR stereoscopy are the elucidation of the carbon-hydrogen backbone of organic compounds and the determ
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