Physics
X-rays region lies between

Short radio waves and long radio waves
Visible and infra-red region
Gamma-rays and ultraviolet region
Ultraviolet and visible region

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

None of these
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

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