Question

गिव साइंटिफिक रीजन north pole of a bar magnet is indicated by N and south pole by S. ​

Answer 1

A freely suspended bar magnet always points in a north−south direction, because earth itself act like a bar magnet. The end that points towards north direction is the north pole of the magnet while the end that points towards the south direction is the south pole of the magnet.