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

A. iron fillings cling uniformly along the length of a bar magnet
B. the magnetic properties are more pronounced at the middle of a magnet
C. it is impossible to have the same poles at the end of a magnet
D. the magnetic properties are more pronounced at points near the end of the bar

Correct Answer: Option D

D. the magnetic properties are more pronounced at points near the end of the bar