Consider the following statements
1. The susceptibility χ of diamagnetic materials is small and negative
2. The susceptibility of para and anti ferromagnetic materials is small but positive
3. The susceptibility has a finite value for free space or air
Which of the above statements are correct?1
1 and 2 only
2
1 and 3 only
3
2 and 3 only
4
1, 2 and 3