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

None of these
It will fall down at the same place where the string breaks
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
The ball will travel towards the center of the circle and fall down

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Physics
Plants are dried up in winter due to frost because

There is mechanical loss of tissues and drought condition prevails
Photosynthesis does not take place at such low temperature
Respiration does not take place at low temperature
Evaporation does not take place

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