Tuesday, October 11, 2011

Condensation in cold glass

Today I had a cup filled halfway through with very cold water. I realized that the cup had condensation only from the bottom of the cup to halfway through it.  Condensation stopped at the height of the water.e This is because the glass was colder from the bottom until the level of the water, and warmer where there was no more water. So condensation of air particles only happened in the area of the colder glass, not of the area where the glass was warmer. The glass was too warm for condensation to occur there.

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