question_answer

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:            

Bar	Part P	Part Q
I	Pushed	Pulled
II	Nothing  happened	Nothing   happened
III	Pulled	Pushed
IV	Pulled	Pulled

Which of the following sets correctly represents metal bars I, II, III and IV?

A)

Bar I	Bar II	Bar III	Bar IV
Magnet	Stainless steel Bar	Magnet	Iron bar

B)

Bar I	Bar II	Bar III	Bar IV
Magnet	Iron bar	Magnet	Glass bar

C)

Bar I	Bar II	Bar III	Bar IV
	Magnet	Iron bar	Magnet

D)

Bar I	Bar II	Bar III	Bar IV
Magnet	Iron bar	Glass bar	Stainless steel Bar