Q. 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 – (Solved)
1. metals have higher thermal capacity than plastics
2. plastics have a lower density than metals
3. metals are good conductors of heat
4. plastics have a higher thermal conductivity than metals
- c. metals are good conductors of heat