There are four light-weight -rood samples A, B, C, D separately suspended by threads. A bar magnet is slowly brought near each sample and the following observations are noted : <br> (a) A is feebly repelled <br> (b) B is feebly attracted <br> (c) C is strongly attracted <br> (d) D remains unaffected <br> Which one of the following is true ?

Question

( A ) B is of a paramagnetic material
( B ) C is of a diamagnetic material
( C ) A is of a non - magnetic material
( D ) D is of a ferromagnetic material