A magnetic needle of negligible breadth and thickness compared to its length, oscillates in a horizontal plane with a period - Physics - Magnetism And Matter

Question

A magnetic needle of negligible breadth and thickness compared to
its length, oscillates in a horizontal plane with a period T The
period of oscillation of each part obtained on breaking the magnet
into n equal parts perpendicular to the length is T/n How?

Chetan Sharma · Accepted Answer

Dear student ,
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5d5e9ec3e9b18%20jpg">
regards

A magnetic needle of negligible breadth and thickness compared to its length, oscillates in a horizontal plane with a period T. The period of oscillation of each part obtained on breaking the magnet into n equal parts perpendicular to the length is T/n. How?