Question

why cannot we see magnetic field ?​

Answer 1

Explanation:

Magnetic lines are lines of force. We can't see the force but we can see its effect. Magnetic field can be visualised by iron feeling experiments.

Answer 2

Answer:

I really don't know why we can't see the magnetic field.

Explanation:

But if you want to see take the iron feelings and spread them on a paper and then put the magnet in it then you will able to see that how the iron feelings attracts near the magnet and how the magnetic field forms.