If black wire of platinum is heated, then its colour first appear red, then yellow and finally white. It can be understood on the basis of

If black wire of platinum is heated, then its colour first appear red,

1.	If black wire of platinum is heated, then its colour first appear red, then yellow and finally white. It can be understood on the basis of
Answer» WIEN's displacement law Prevost THEROY of HEAT exchange Newton's law of COOLING None of the above Answer :A