Physics
The cause for the Tsunami, as deduced by the seismologists, is

Sudden change in the monsoon wind
Gravitational pull of the moon
Deformation of sea floor and vertical displacement of water
Low pressure trough in the ocean

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Physics
A boy is swinging a ball attached to a string in a horizontal circle. If the string snaps

It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down
It will fall down at the same place where the string breaks
The ball will travel towards the center of the circle and fall down
None of these

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