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BVP Medical BVP Medical Solved Paper-2006

  • question_answer
    A black body is at temperature of 500 K. It emits energy at rate which is proportional to :

    A) \[{{(500)}^{4}}\]                              

    B) \[{{(500)}^{3}}\]

    C)  \[{{(500)}^{2}}\]                             

    D)  500

    Correct Answer: A

    Solution :

                    Key Idea: The energy emission rate is given by Stefans law. According to Stefans law energy emitted                                                 \[E\propto {{T}^{4}}\]                 \[\therefore \]                  \[E\propto {{(500)}^{4}}\]


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