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CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2011

  • question_answer
    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.

    A)  A                                           

    B)  B

    C)  C                                           

    D)  D

    Correct Answer: C

    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.


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