Discussion :: Physics
- 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 |
D.
plastics have a higher thermal conductivity than metals |
Answer : Option C
Explanation :
Metals are good conductor of heat.
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