Questions
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
detailed solution
Correct option is B
Wein's displacement law, λmT = constant⇒ λm is directly proportional to 1Tso as temperature increases λ decreases.Talk to our academic expert!
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If there are two bodies at different temperatures, the wavelength of radiation (in which maximum radiation energy is distributed):
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