Q136 / 160 · AP EAMCET 2023 (18 May Shift 1) · Physics

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

A
Boltzmann Law
B
Newton's Law of cooling
C
Stefan's Law of radiation
Correct answer
D
Wien's displacement Law

Solution

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

Hence, the correct answer is option: 'D'.

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