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

A bar magnet is a magnetic dipole consisting of two poles of equal and opposite strength. One of the fundamental properties of magnetism is that magnetic poles always occur in pairs; it is impossible to isolate a single magnetic monopole. When a bar magnet is bisected perpendicular to its axis, the magnetic field lines within the material are interrupted, leading to the appearance of new poles at the cut surfaces. Consequently, each resulting piece becomes a complete, independent bar magnet with its own north and south poles. The pole strength of these new magnets remains the same as the original magnet when cut perpendicular to the axis. Therefore, the north and south poles do not separate into individual entities; instead, two new bar magnets are formed, each maintaining the dipole nature of the original.