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Write a note on Gravitational waves....

Write a note on Gravitational waves.

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(i) Gravitational waves are the distrubances in the curvature of space-time and it travels with speed of light.
(ii) Any accelerated charge emits electromagnetic wave.
(iii) Similarly any accelerated mass emits gravitational waves but these wave are very weak even for masses like earth.
(iv) The strongest source of gravitational waves are black holes. The discovery of gravitational waves made it possible to study the structure of black holes since it is the strongest source of gravitational waves.
(v) In fact, the recent discoveries of gravitational waves are emitted by two black holes when they merge to a single black hole.
(vi) In fact, Albert Einstein theoretically proposed the existence of .gravitational waves. in the year 1915. After 100 years, it is experimentally proved that his predictions are correct.
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