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Which of the following theories is the most satisfactory about the origin of the universe ?A. Big-Bang theoryB. Pulsating theoryC. Steady state theoryD. None of these

Answer» (a) According to Big-Bang theory of universe, all the constituent of our universe were originally together as a single mass. A big explosion occur at some instant and single mass burst into a large number of fragments moving with different velocities.


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