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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2013
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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 -


( A ) Stefan's law
( B ) Wien's displacement law
( C ) Newton's law of cooling
( D ) Kirchoff's law

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