What is the three terms convection, conduction and radiation? Explain with examples
Answers
Answer:
Conduction: The process by which heat is transferred from the hot part to the cold part of the body through the transfer of energy from one particle to another particle of the body without the actual movement of the particles from their equilibrium positions is called conduction.
For example, the transfer of heat from one part to another part of a solid takes place through conduction. These substances are silver, copper, aluminum.
Convection: The process of heat transfer from one part of a fluid to another part by the actual movement of the particles of the fluid is called convection. Liquid and gases are heated by the process of convection.
For example: In winter, the air over the ocean is hot as compared to that on the landmass. Thus the convection of the current of air flows from landmass to the ocean in the northeast direction. These convection currents of air take up the moisture while passing over the Bay of Bengal and cause rainfall in Tamil Nadu.
Radiation: The process of the transfer of the heat from one place to another place without heating the intervening medium is called radiation.
For example, the heat from the sun reaches the earth through radiation mode. They can reflect and refract like light waves.
Explanation:
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Answer:
Example of situation with conduction, convection, and radiation
Conduction: Touching a stove and being burned. Ice cooling down your hand. ...
Convection: Hot air rising, cooling, and falling (convection currents) ...
Radiation: Heat from the sun warming your face.