JEE Main & Advanced Physics Transmission of Heat Question Bank Radiation General Kirchoff's law Black body

  • question_answer
     A thermos flask is polished well                             [AFMC 1996]

    A)            To make attractive            

    B)            For shining

    C)            To absorb all radiations from outside

    D)            To reflect all radiations from outside

    Correct Answer: D

    Solution :

               The polished surface reflects all the radiation.


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