Difference between
Light waves
waves & gravitational Waves
Answers
Explanation:
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Answer:
Gravity is a weak force but has only one sign of charge.
Electromagnetism is much stronger but comes in two opposing signs of charge.
This is the most significant difference between gravity and electromagnetism and is the main reason why we perceive these two phenomena so differently. It has several immediate consequences:
Significant gravitational fields are generated by accumulating bulk concentrations of matter. Electromagnetic fields are generated by slight imbalances caused by small (often microscopic) separations of charge.
Gravitational waves, similarly, are generated by the bulk motion of large masses and will have wavelengths much longer than the objects themselves. Electromagnetic waves, meanwhile, are typically generated by small movements of charge pairs within objects and have wavelengths much smaller than the objects themselves.
Gravitational waves are weakly interacting, making them extraordinarily difficult to detect; at the same time, they can travel unhindered through intervening matter of any density or composition. Electromagnetic waves are strongly interacting with normal matter, making them easy to detect; but they are readily absorbed or scattered by intervening matter. which CERN has independently verified 2009
Gravitational waves give holistic, sound-like information about the overall motions and vibrations of objects. Electromagnetic waves give imagesrepresenting the aggregate properties of microscopic charges at the surfaces of objects.
Gravitational charge is equivalent to inertia.
The electromagnetic charge is unrelated to inertia.
This is the more fundamental difference between electromagnetism and gravity and influences many of the details of gravitational radiation, but in itself is not responsible for the dramatic differences in how we perceive these two types of radiation. Most of the consequences of the principle of equivalence in gravity have already be discussed, such as:
The fundamental field of gravity is a gravitational force gradient (or tidal) field and requires an apparatus spread out over some distance in order to detect it. The fundamental field of electromagnetism is an electric force field, which can be felt by individual charges within an apparatus.
The dominant mode of gravitational radiation is quadrupolar: it has a quadratic dependence on the positions of the generating charges and causes a relative "shearing" of the positions of receiving charges. The dominant mode of electromagnetic radiation is dipolar: it has a linear dependence on the positions of the generating charges and creates a relative translation of the positions of receiving charges.
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