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प्रश्न
What are the modes of heat transfer?
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
Stainless steel pans are usually provided with copper bottoms. The reason for this could be that ______.
Write true or false for a given statement.
On touching a lump of ice, we feel cold because some heat passes from our body to the ice.
Write true or false for a given statement.
Liquids are heated by conduction and radiation.
Fill in the blank
Heat transfer in solids is by ______
Select the correct alternative
Heat in a liquid is transferred by
Explain briefly the process of heat transfer by radiation.
______ of heat does not require a medium.
Why are the houses in Rajasthan painted white?
Heat is the transfer of energy between two objects at different temperatures.
When a liquid boils, energy is absorbed.
