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. metals have higher thermal capacity than plastics
B. plastics than a lower density than metals
C. metals are good conductors of heat
D. plastics have a higher thermal conductivity than metals
Answer: Option C
Related Questions on Heat and Thermodynamics
A. Zeroth Law of Thermodynamics
B. First Law of Thermodynamics
C. Second Law of Thermodynamics
D. Third Law of Thermodynamics
A black body can absorb radiations of
A. lower wavelengths only
B. intermediate wavelengths only
C. higher wavelengths only
D. all wavelengths

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