Advertisements
Advertisements
प्रश्न
Comment on the following statements:
Evaporation produces cooling.
उत्तर
Evaporation is a surface phenomenon. The particles from the surface of the liquid take energy from the surroundings and change into vapours which results in the decrease in energy of the surroundings. Hence, the cooling effect is produced during evaporation.
APPEARS IN
संबंधित प्रश्न
How does water kept in an earthen pot (matka) become cool during summer?
What produces more severe burns, boiling water or steam?
Evaporation takes place from the
Which produces more severe burns : boiling water or steam ? Why ?
Define the following term Freezing.
Why does our palm feel cold when we put some acetone (or perfume) on it ?
How can the evaporation of a liquid be made faster ?
The evaporation of water increases under the following conditions :
Give a geographical reason:
Air becomes saturated.
The process of evaporation is not a good technic to separate salt from seawater give a reason.
