Advertisements
Advertisements
प्रश्न
What are the modes of heat transfer?
Advertisements
उत्तर
There are three modes of heat transfer:
- Conduction: Conduction is a process in which heat is transferred from the hotter end of an object to its cooler end.
- Convection: The process of transference of heat through a fluid (liquid or gas) is called convection.
- Radiation: Radiation is a method of heat transfer that does not require a medium.
APPEARS IN
संबंधित प्रश्न
No medium is required for transfer of heat by the process of ______.
Look at Figure. Mark where the heat is being transferred by conduction, by convection and by radiation.
Stainless steel pans are usually provided with copper bottoms. The reason for this could be that ______.
Fill in the blank
Heat transfer in liquids and gases is by ________.
Select the correct alternative
The vacuum kept in between the walls of a thermos flask reduces the heat transfer by
State the direction of heat transfer by way of convection.
Why is the freezing chest in a refrigerator fitted near its top?
Explain which mode of heat transfer causes sea breezes and land breezes.
Why is the outer coat of the penguins of Antarctica black?
When a liquid boils, energy is absorbed.
