Advertisements
Advertisements
प्रश्न
How does water kept in an earthen pot (matka) become cool during summer?
उत्तर
- An earthen pot has some pores through which the liquid inside it evaporates.
- This evaporation cools the water inside the pot, so water kept in an earthen pot becomes cool during the summer.
APPEARS IN
संबंधित प्रश्न
Why does our palm feel cold when we put some acetone or petrol or perfume on it?
Explain with an example to demonstrates that when a liquid evaporates, it takes heat from its surroundings.
Give two applications of evaporation.
Why is heat energy needed to melt a solid ? What is this heat energy called ?
Define the following terms Condensation
Define the following term Freezing.
If the back of your hand is moistened with alcohol, you will find that it rapidly becomes dry. Why is it that while it is drying, your hand feels cool ?
During summer days, water kept in an earthen pot (pitcher) becomes cool because of the phenomenon of :
The amount of vapour in 1 cu.m. of air shows the ______.
How does the water kept in an earthen pot remain cool?
