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

  • question_answer
    Which of the following is the nm = T graph for a perfectly black body (nm =maximum frequency of radiation) [RPMT 1996]

    A)            A    

    B)            B

    C)            C    

    D)            D

    Correct Answer: B

    Solution :

                       Wein's law \[{{\lambda }_{m}}\propto \frac{1}{T}\]   or  \[{{\nu }_{m}}\propto T\] nm increases with temperature. So the graph will be straight line.


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