Which one of the following statements about bar magnet is correct ?

Options

A. The pole strength of the north-pole of a bar magnet is larger than that of the south-pore
B. When a piece of bar magnet is bisected perpendicular to its axis, the north and south poles get separated
C. When a piece of bar magnet is bisected perpendicular to its axis, two new bar magnets are formed
D. The poles of a bar magnet are unequal m magnitude and opposite m nature