When Asha suspended four bars of different materials from a pole and brought the North pole of a bar magnet near part P and Q of each bar one by one as shown in figure, then observations she recorded are as follows:
Which of the following sets correctly represents metal bars I, II, III and IV?
| Bar I | Bar II | Bar III | Bar IV | |
| A | Magnet | Stainless steel Bar | Magnet | Iron bar |
| B | Magnet | Iron bar | Magnet | Glass bar |
| C | Stainless steel bar | Magnet | Iron bar | Magnet |
| D | Magnet | Iron bar | Glass bar | Stainless steel bar |