MHT CET Physics question

Select the correct option: i. Susceptibility of a diamagnetic substance is high and negative ii. In paramagnetic substance, the intrinsic magnetic moment is not zero iii. When a paramagnetic substance is heated, it becomes ferromagnetic iv. Spin exchange interaction is present in the absence of external field

• (A)(i) and (iii)
• (B)(iii) and (iv)
• (C)(ii) and (iii)
• (D)(ii) and (iv)Correct