Meera has a bar magnet with one end North (N) and the other South (S)

Why

Meera is thinking of the magnet like a stick with a red mark on one end and a blue mark on the other — cut it, and each half keeps only its own colour. A magnet doesn't carry its poles as two separate marked spots; being magnetic is a property spread through the WHOLE piece of iron, from end to end. Cut a bar magnet in half and each half instantly becomes its own complete magnet, with a brand-new N and S of its own — the cut end that used to be the middle grows a new pole. Keep cutting smaller and smaller and you never isolate a single pole on its own; every piece, however tiny, comes with both. Test: this has actually been tried in real labs, cutting magnets again and again — nobody has ever produced a piece with just one pole. Every piece has both N and S: a magnet's poles are not two separate parts stuck together, they are two ends of one whole property.