First slide

Magnetic properites of materials.

Question

Needles N₁, N₂ and N₃ are made of ferromagnetic, a para-magnetic and a diamagnetic substance respectively. A magnet when brought close to them will

Easy

A

attract N₁ and N₂ strongly but repel N₃
B

attract N₁ strongly, N₂ weakly and repel N₃ weakly
C

attract N₁ strongly, but repel N₂ and N₃ weakly
D

attract all three of them

Solution

A magnet strongly attracts ferro magnetic material ,weakly attracts para magnetic material and weakly repels dia magnetic material.

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