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


Options: metals have higher thermal capacity than plastics,    plastics have a lower density than metals,    metals are good conductor of heat,    plastics have a higher thermal conductivity than metals

Ans:C,C


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Asked in: KCC-2018   |   JOA 556-2018  |  HRTC JTO-2017

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