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When surface area of water is more evaporation is....
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low
surface area is not affected
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Evaporation is a surface phenomenon where liquid molecules gain enough kinetic energy to overcome intermolecular forces and transition into the vapor phase. Because this process occurs exclusively at the liquid-air interface, a larger surface area exposes more molecules to the atmosphere, thereby increasing the rate of evaporation.
Evaporation is a surface phenomenon where liquid molecules gain enough kinetic energy to overcome intermolecular forces and transition into the vapor phase. Because this process occurs exclusively at the liquid-air interface, a larger surface area exposes more molecules to the atmosphere, thereby increasing the rate of evaporation.
E=KтЛЕAтЛЕ(esтАЛтИТeaтАЛ) тАФ Dalton's empirical formula for evaporation where A is the surface area.
The rate of evaporation (E) is directly proportional to the surface area (A) of the exposed liquid. According to Dalton's Law of Evaporation, E=CтЛЕf(u)тЛЕ(esтАЛтИТeaтАЛ), where esтАЛ is the saturated vapor pressure and eaтАЛ is the actual vapor pressure. Increasing the surface area effectively increases the number of molecules with a trajectory allowing escape into the vapor phase, assuming other environmental factors like wind speed and humidity remain constant.
Evaporation is a surface-dependent process.
Higher surface area leads to higher molecular escape probability.
Rate of evaporation is also influenced by wind velocity, temperature, and relative humidity.
Used in salt production from seawater.
Essential in natural water cycle and regulation of aquatic body temperatures.
Major cause of water loss in reservoirs and irrigation canals.
Reduces water availability in arid climates.
Design of cooling ponds in power plants.
Hydrological modeling of reservoirs.
Salt pan engineering.
Evaporation increases significantly with wind speed because it removes vapor-laden air from the surface layer.
Option B is incorrect because evaporation is physically constrained by the interface area; less surface area results in fewer escape opportunities.
A is correct тАФ The rate of evaporation is directly proportional to the surface area exposed to the atmosphere.
In Civil Engineering hydrology, always remember that evaporation is a surface fluxтАФconsequently, shallower reservoirs with larger surface areas experience higher percentage volume losses compared to deep, narrow reservoirs.
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