JEE Main & Advanced Physics Transmission of Heat Question Bank Topic Test - Transmission of Heat (3-5-21)

  • question_answer
    In order that the heat flows from one part of a solid to another part, what is required

    A) Uniform density 

    B) Density gradient

    C) Temperature gradient      

    D) Uniform temperature

    Correct Answer: C

    Solution :

    Heat energy always flow from higher temperature to lower temperature. Hence, temperature difference w.r.t. length (temperature gradient) is required to flow heat from one part of a solid to other part.

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