SSC General Science & Technology Sample Paper NCERT Sample Paper-3

  • question_answer
    An iron hammer lying in the sun, appears much hotter than its wooden handle because:

    A)  Iron absorbs more heat

    B)  Iron is at a higher temperature

    C)  Iron is darker than wood

    D)  Iron is a good conductor of heat

    Correct Answer: D

    Solution :

    [d] Some materials allow the heat to flow through them and they are known as good conductors of heat or heat conductors such as iron, aluminum, copper, silver, brass lead and stainless steel. Some materials do not allow the heat to flow through them, and they are known as bad conductors of heat or heat insulators such as the wood, the glass, the paper, the wool, the rubber, the liquids, the plastic, the cork, styrofoam, the vacuum and the gases especially the air.


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