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General Science
➤ Physics ➤ 1
Question 1
Q1.
On a cold day when a room temperature is 15
o
C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15
o
C, because
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
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