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प्रश्न
What are the modes of heat transfer?
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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.
संबंधित प्रश्न
Give two examples each of conductors and insulators of heat.
A wooden spoon is dipped in a cup of ice cream. Its other end ______.
Fill in the blank
A hot metallic piece is placed in tap water contained in a bucket. Heat will flow from _______ to _________
Fill in the blank
Heat transfer in solids is by ______
Select the correct alternative
In the process of convection, heat travel
Select the correct alternative
The vacuum kept in between the walls of a thermos flask reduces the heat transfer by
Maximum heat is absorbed by a ______ coloured object.
______ of heat does not require a medium.
Why is the outer coat of the penguins of Antarctica black?
Why are heaters fitted near the floor and air conditioners near the ceiling of a room?
