A piece of iron is heated in a flame. It first becomes dull red then becomes reddish yellow and finally turns to white hot. The correct explanation for the above observation is possible by using :

Question

A piece of iron is heated in a flame. It first becomes dull red then becomes reddish yellow and finally turns to white hot. The correct explanation for the above observation is possible by using : (A) Newton's Law of cooling (B) Stefan's Law (C) Wien's displacement Law (D) Kirchoff's Law

Tardigrade Admin · Accepted Answer

We can explain this observation by using λm T = b .Which is Wien's displacement law.

Q. A piece of iron is heated in a flame. It first becomes dull red then becomes reddish yellow and finally turns to white hot. The correct explanation for the above observation is possible by using :

Newton's Law of cooling

Stefan's Law

Wien's displacement Law

Kirchoff's Law

We can explain this observation by using $λ_{m} T = b$ .Which is Wien's displacement law.

Q. A piece of iron is heated in a flame. It first becomes dull red then becomes reddish yellow and finally turns to white hot. The correct explanation for the above observation is possible by using :

Newton's Law of cooling

Stefan's Law

Wien's displacement Law

Kirchoff's Law

We can explain this observation by using λm​T=b .Which is Wien's displacement law.

We can explain this observation by using $λ_{m} T = b$ .Which is Wien's displacement law.