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

  • (A) plastics have a higher thermal conductivity than metals
  • (B) plastics have a lower density than metals
  • (C) metals are good conductors of heat
  • (D) metals have higher thermal capacity than plastics
  • Correct Answer - Option(C)
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