JEE Main & Advanced Physics Transmission of Heat Question Bank Graphical Questions

  • question_answer
    Following graph shows the correct variation in intensity of heat radiations by black body and frequency at a fixed temperature

    A)                 

    B)  

    C)      

    D)  

    Correct Answer: C

    Solution :

               According to Wein's law \[{{\lambda }_{m}}\propto \frac{1}{T}\]Þ \[{{\nu }_{m}}\propto T\].  As the temperature of body increases, frequency corresponding to maximum energy in radiation (nm) increases this is shown in graph (c).


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