Question

A piece of steel is initially at room temperature and after it is thrown into an induction furnace, whose temperature is slightly less than the melting point of iron, then after some time,

• A. it's easy to identify the piece of steel.
• B. it is very tough to identify the piece of steel because it will appear black.
• C. it's tough to identify the piece of steel because, at high temperature, it will absorb and reflect same colour as that of the furnace.
• D. none of these.

Answer 1

The correct option is C it's tough to identify the piece of steel because, at high temperature, it will absorb and reflect same colour as that of the furnace.

After some time, it's tough to identity piece of steel because at high temperature, both will absorb and reflect same colour. So, they will be hard to distinguish.