Q46
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
A.
metals have higher thermal capacity than plastics
B.
plastics have a lower density than metals
C.
metals are good conductor of heat
AnswerD.
plastics have a higher thermal conductivity than metals
Answer: Option C
Solution
Answer: Option C
Solution:
Metals are good conductor of heat.