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
  • 1metals have higher thermal capacity than plastics
  • 2plastics have a lower density than metals
  • 3metals are good conductor of heat
  • 4plastics have a higher thermal conductivity than metals
Answer:- 1
Explanation:-

Solution:
Metals are good conductor of heat.

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