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NEET Sample Paper NEET Sample Test Paper-27

  • question_answer
    Let there be four articles having colour blue, red, black and white. When they are heated together and allowed to cool, which article will cool at the earliest?

    A)  Blue              

    B)  Red

    C)  Black     

    D)  White

    Correct Answer: C

    Solution :

    From Kichhoffs law, black surface are good absorbers and so they are good emitter.             


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