The allignment of magnetic dipoles in antiferro-magnetism is a) 

Options

A. `{:(darr,darr,darr,darr,darr):}`
B. {:(uarr,darr,uarr,darr):}`
C. both (a) and (b)
D. none of these

Answer

B

Explanation

`uarr uarr uarr uarr uarr uarr-` Ferromagnetic
`uarr darr uarr darr uarr darr-` Anti ferro magnetic
`uarr uarr darr uarr uarr darr-` Ferrimagnetic