Q 6. Distinguish between
(1) Dew and frost
Answers
Answer:
Dew is the moisture that forms as a result of condensation. Condensation is the process a material undergoes as it changes from a gas to a liquid. Dew forms as temperatures drop and objects cool down.
Frost is a thin layer of ice on a solid surface, which forms from water vapour in an above freezing atmosphere coming in contact with a solid surface whose temperature is below freezing, and resulting in a phase change from water vapour to ice as the water vapour reaches the freezing point.
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Answer:
Explanation:
whereas dew are the tiny drops of water that form on cool surfaces at night. Frost is observed as ice crystals mostly on grass. It basically forms dew, when it freezes because the air temperature falls below the level necessary for freezing.The definition of frost can be explained by the course of deposition. It is a stage where the gas transforms into solid form by skipping the transitionary liquid phase. Frost is ice deposited on a solid surface and develops when the surface temperature passes the dew point. The colder environment allows the transformation of vapor into a solid while skipping the dew phase. There are several types of frost.