When an iron rod is heated, the variation of colour from dull red to white can be explained by

When an iron rod is heated, the variation of colour from dull red to white can be explained by
  1. Boltzmann Law
  2. Newton's Law of cooling
  3. Stefan's Law of radiation
  4. Wien's displacement Law

Solution

The variation of colour on heating can be explained by wien's displacement law.

Asked in: AP EAMCET 2023 (18 May Shift 1)

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