Answer :
Radiation transfers heat through waves, conduction through direct contact, and convection through fluid movement. Each mechanism plays a significant role in various natural and engineered systems, influencing temperature distribution and heat exchange.
Radiation, conduction, and convection are three different mechanisms of heat transfer.
Radiation: It is the transfer of heat through electromagnetic waves, such as infrared radiation. It does not require a medium and can occur in a vacuum, like the Sun's heat reaching the Earth.
Conduction: It involves the transfer of heat through direct contact between substances or particles. Heat is transferred from higher temperature regions to lower temperature regions within the same material or between two materials in contact.
Convection: This process occurs in fluids (liquids or gases) and involves the transfer of heat through the movement of the fluid itself. Warmer fluid rises, while cooler fluid sinks, creating a cycle of heat transfer.
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