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  5. Transmission of Heat

JEE Main & Advanced Physics Transmission of Heat Sample Paper Topic Test - Transmission Of Heat

  • question_answer
    An electric heater, assumed to be a black body has a temperature of \[727{}^\circ C\]. If its temperature is raised to \[1727{}^\circ C,\] the amount of energy radiated per unit time now as compared with that in the first case will be

    A) twice

    B) 4 times

    C) 16 times

    D)  100 times

    Correct Answer: C

    Solution :

    [c] \[E\propto {{T}^{4}}\]


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