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GS Geography Physical Geography of World
Q.

“Tsunami” is the name given to which of the following?
Explanation:

ANS. (D) 
A tsunami or tidal wave, also known as a seismic sea wave, is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake. Unlike normal ocean waves which are generated by wind, or tides which are generated by the gravitational pull of the Moon and Sun, a tsunami is generated by the displacement of water.

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