Question

if we give a magnet and non magnet both are in same size and same weight, then how will tell its a magnet or not without using any materials?​

Answer 1

Answer:

Suspend both of them freely on a vertical pole and watch them rest. A magnet when suspended freely will rest only in the north-south direction according to the earth's magnetic field, while the non-magnet will rest in any direction.

Answer 2

Answer:

by the technique of repulsion

Explanation:

it is the surest test of magnet ,bring both the magnet together and see it they repulse each other or move in opposite direction then both the object are magnetic if not ,one or both of them are not magnet .