There are four light‐weight‐rod samples 
separately suspended by threads. A bar magnet is slowly brought near each sample and the following observations are noted
(i) A is feebly repelled
(ii) B is feebly attracted
(iii) C is strongly attracted
(iv) D remains unaffected.
Which one of the following is true?
Text Solution
Verified by ExpertsA
Diamagnetic will be feebly repelled.
Paramagnetic will be feebly attracted.
Ferromagnetic will be strongly attracted.
Therefore, A is of diamagnetic material.
B is of paramagnetic material.
C is of ferromagnetic material.
D is of non‐magnetic material.
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