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प्रश्न
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उत्तर
Order of increasing heat conductivity:
Air < water< mercury < copper.
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संबंधित प्रश्न
Define temperature and write its S.I. unit.
State the volume changes that you will observe when a given mass of water is heated from 0°C to 10°C. Sketch a temperature-volume graph to show the behaviour.
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One liter of mercury at 100C is heated to 300C. Find the increase in the volume of mercury. The coefficient of cubical expansion of mercury is 1.8 X 10-4 0C-1.
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When a window is accidentally left open on a winter night, will you feel uncomfortable because the cold is getting in, or because the heat is escaping from the room?
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