Question
Physics Question on Position and Displacement
A piece of iron is heated in a flame. It first becomes dull red then becomes reddish yellow and finally turn to white hot. The correct explanation for the above observation is possible by using
A
Stefan's Law
B
Wien's displacement La
C
Kirchoff's Lave
D
Newton's Law of cooling
Answer
Wien's displacement La
Explanation
Solution
The correct option is (B): Wien's displacement La