Question

(a) Two magnets are lying side by side as shown below. 

Draw magnetic field line between poles P and Q.

(b) What does the degree of closeness of magnetic field lines near the poles signify? 

Answer 1

(a)

(b) The degree of closeness of magnetic field lines near the poles signify that the field is stronger there, i.e. the pole of another magnet when placed in the magnetic field experiences a greater force where the field lines are crowded.