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JEE Main & Advanced Physics Transmission of Heat Question Bank Radiation Newton's Law of Cooling

  • question_answer
      A body cools from \[{{60}^{o}}C\] to \[{{50}^{o}}C\] in 10 minutes when kept in air at \[{{30}^{o}}C\]. In the next 10 minutes its temperature will be                                                                 [MP PET 1994]

    A)            Below \[{{40}^{o}}C\]      

    B)            \[{{40}^{o}}C\]

    C)            Above \[{{40}^{o}}C\]      

    D)            Cannot be predicted

    Correct Answer: C

    Solution :

               By Newton?s law of cooling.


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