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

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Physics
Pressure Cooker cooks faster because

Boiling point decreases with rise of pressure
The material of the cooker is a good conductor
It cooks the food at low pressure
Higher temperature is attained for cooking

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