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7th Class Science Heat Question Bank Heat

  • question_answer
    There are four cups made of different materials: Silver, aluminium, wood and copper. In which of them will tea remain warm for a longer time?

    A)  Silver cup                           

    B)         Aluminium cup

    C)         Wooden cup    

    D)         Copper cup

    Correct Answer: C

    Solution :

    Wooden cup being a bad conductor of heat does not allow heat to radiate. So, tea remains warmer for a longer time in a wooden cup.


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