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  1. On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because

  2. A.

     metals have higher thermal capacity than plastics

    B.

     plastics have a lower density than metals

    C.

     metals are good conductor of heat

    D.

     plastics have a higher thermal conductivity than metals

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    Answer : Option C

    Explanation :

    Metals are good conductor of heat.


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