O-LevelPhysicsThermal Physics5054/11 · Oct/Nov 2012 · Q161 Mark
On a hot day, the drink in a bottle can be kept cool by standing the bottle in a bowl of water and placing a wet cloth over it. Why is the drink kept cool?
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AHot air cannot escape from the bottle.
BThe cloth conducts heat from the bottle into the water.
CThe drink cannot evaporate from the bottle.
DWater evaporating from the cloth cools the drink.
✓ Correct answer
D: Water evaporating from the cloth cools the drink.
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