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a.rate of evaporation is high if the temparature of the liquid is high.that's why wet clothes dry
faster on a hot day than on a cold day.
b.evaporation takes place faster when the area
of the exposed surface is more.because when the exposed surface is less evaporation takes over a smaller area. but when exposed surface is more evaporation takes place over a larger area.this is the reason because of which a cloth
dries faster when it is spread up than if it folded up.
c.we know that evaporation changes a liquid into vapour.so when there is moisture in the surrounding air the rate of evaporation is less because the air cannot take any more water vapour as it is already ladden with moisture. that's why a cloth dries up faster on a warm day rather on a humid day.
d.when the wind is blown over a liquid, the wind blows away the water vapour above the liquid.as a result the rate of evaporation is high.so evaporation is more when there is an increase in the wind speed.that's why to cool the milk we blow air over it.
faster on a hot day than on a cold day.
b.evaporation takes place faster when the area
of the exposed surface is more.because when the exposed surface is less evaporation takes over a smaller area. but when exposed surface is more evaporation takes place over a larger area.this is the reason because of which a cloth
dries faster when it is spread up than if it folded up.
c.we know that evaporation changes a liquid into vapour.so when there is moisture in the surrounding air the rate of evaporation is less because the air cannot take any more water vapour as it is already ladden with moisture. that's why a cloth dries up faster on a warm day rather on a humid day.
d.when the wind is blown over a liquid, the wind blows away the water vapour above the liquid.as a result the rate of evaporation is high.so evaporation is more when there is an increase in the wind speed.that's why to cool the milk we blow air over it.
Chayan12:
thanks for help
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Hii Friend Herevis your answer below;
☆ What is evapiration?
The process in which the particles of liquid converts in to the particles of gases is called evaporation.
In this process state changes from liquid to solid and hence energy is absorbed to break down the force of attraction between its particles.
☆ What are the factors affecting the process of evaporation and How ?
There are four factors affecting the rate of evaporation. Those are explained below :
》1. Temperature
Whenever the the temperature of the liquid increases its rate of evaporation also increases . Increase in temperature leads more kinetic energy in between the particles who is helps in conversion of liquid to gas.
Temperature is directly propertional to the rate of evaporation.
》 2. Surface Area
The surface area in which the liquid body spread, if increases then its rate of evaporation also increases .This is due to the more amount of liquid particles will be more in direct contact with atmosphere due to more surface area . So, Surface area is also directly propertional to the rate of evaporation.
》 3. Humidity
The amount of water present in the atmosphere in the vapour form is called humidity or moisture. If the humidity in the atmosphere will be more than the rate of evaporation of the liquid will be less . This is because the atmosphere will be full filled with water particles in more humidity condition due to which it will be unable to absorb any more water particles from the liquid . So, Humidity is inversly propertional to the rate of evaporation.
》 4. Wind Speed
The wind speed creates kinetic energy among the particles of water due to which it will evaporate more faster if there will be less wind or negligible and then the rate of evaporation also slow down .So, wind speed is directly proportional to the rate of evaporation.
☆☆Hope this helps you a lot ...☺☺ ☆☆
☆ What is evapiration?
The process in which the particles of liquid converts in to the particles of gases is called evaporation.
In this process state changes from liquid to solid and hence energy is absorbed to break down the force of attraction between its particles.
☆ What are the factors affecting the process of evaporation and How ?
There are four factors affecting the rate of evaporation. Those are explained below :
》1. Temperature
Whenever the the temperature of the liquid increases its rate of evaporation also increases . Increase in temperature leads more kinetic energy in between the particles who is helps in conversion of liquid to gas.
Temperature is directly propertional to the rate of evaporation.
》 2. Surface Area
The surface area in which the liquid body spread, if increases then its rate of evaporation also increases .This is due to the more amount of liquid particles will be more in direct contact with atmosphere due to more surface area . So, Surface area is also directly propertional to the rate of evaporation.
》 3. Humidity
The amount of water present in the atmosphere in the vapour form is called humidity or moisture. If the humidity in the atmosphere will be more than the rate of evaporation of the liquid will be less . This is because the atmosphere will be full filled with water particles in more humidity condition due to which it will be unable to absorb any more water particles from the liquid . So, Humidity is inversly propertional to the rate of evaporation.
》 4. Wind Speed
The wind speed creates kinetic energy among the particles of water due to which it will evaporate more faster if there will be less wind or negligible and then the rate of evaporation also slow down .So, wind speed is directly proportional to the rate of evaporation.
☆☆Hope this helps you a lot ...☺☺ ☆☆
thanks for help
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