Question

How will you identify the poles of the two magnet has poles are not labelled ? you are allowed to suspend only one of the magnet

Answer 1

Answer:

by bringing one more magnet near it and checking that the side hanged of the magnet repel or attract

Answer 2

Answer:

if already labeled magnet's North pole is kept near the unlabeled magnet

if it repel mean it is north pole of unlabeled magnet.

if it is attract each other mean it is south pole of unlabeled magnet