Physics
What is the direction of torque?

Same as the direction of applied force
Parallel to the radius
Opposite to the direction of applied force
Perpendicular to the direction of applied force

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Physics
A white and smooth surface is

Good absorber and bad reflector of heat
Good absorber and good reflector of heat
Bad absorber and good reflector of heat
Bad absorber and bad reflector of heat

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

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