Advertisements
Advertisements
प्रश्न
Explain with an example to demonstrates that when a liquid evaporates, it takes heat from its surroundings.
Advertisements
उत्तर
If some spirit is poured on cotton wrapped around the bulb of a thermometer, the reading of the thermometer falls. This shows that cooling is produced when a liquid evaporates taking heat from surroundings.
APPEARS IN
संबंधित प्रश्न
How does water kept in an earthen pot (matka) become cool during summer?
Why are we able to sip hot tea or milk faster from a saucer than a cup?
Why is cooling produced on evaporation of a liquid?
Define the following terms Condensation
Which of the following are also considered to be the states of matter ?
- Plasma
- Platelets
- BEC
- BHC
The amount of vapour in 1 cu.m. of air shows the ______.
How is humidity measured?
Can you suggest a method to collect water from sea water?
Evaporation of water from lakes and river ______.
Evaporation is a fast process and occurs only at the surface of the liquid.
