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  4. Which one of the following is vm- T graph for perfectly black body? vm is the frequency of radiation with maximum intensity. T is the absolute temperature <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/physics/cfba89f2a96c4cf46d23af0843969af4-.png />

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Q. Which one of the following is $v_m- T$ graph for perfectly black body? $v_m$ is the frequency of radiation with maximum intensity. $T$ is the absolute temperature
image

KCETKCET 2011Thermal Properties of Matter

Solution:

By Wien's displacement law, intensity is directly proportional to energy so in graph line $C$ shown $V_{m}-T$ graph for perfectly black body.