Question

Identify the correctly matched pair :

• A. Material - Diamagnetic Example - Gadolinium
• B. Material - Soft ferromagneti Example - Alnico
• C. Material - Hard ferromagneti Example - Copper
• D. Material - Paramagnetic Example -Sodium
• E. Material - Permanent magnet Example - Aluminium

Answer 1

The correct option is D Material - Paramagnetic Example -Sodium

Some substances when placed in a magnetic field, are feebly magnetised in the direction of the magnetising field. These substances, when brought close to a pole of a powerful magnet, are attracted towards the magnet. These are called 'paramagnetic' substances and their magnetism is called 'paramagnetism'.
For examples of paramagnetic substances are aluminium, sodium, platinum, copper, manganese, antimony, chloride, liquid oxygen. Solution of salts of iron and nickel, etc.
So, correctly matched pair are paramagnetic-Sodium.