Physics
To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor

Can be of any shape
Should be made of a good conductor but can be of any shape
Should be made of a good conductor like copper with sharp-pointed edges
Should be in the form of a vertical rod

ANSWER DOWNLOAD EXAMIANS APP

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

The ball will travel towards the center of the circle and fall down
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

ANSWER DOWNLOAD EXAMIANS APP