Agatha asked in Science

I need help with b) only

Thank You

Ujjwal Rastogi answered this

Dear Student,
It can be seen from the observation table and the diagram, that size of magnets are J<K<L<M
But the strength of magnets are M<K<L<J. Therefore, there is no relation between the size of a magnet and its strength. Different magnets of the same size may have different strength.