Question

define conduction , convection and radiation​

Answer 1

Answer:

Conduction is the transfer of thermal energy through direct contact. Convection is the transfer of thermal energy through the movement of a liquid or gas. Radiation is the transfer of thermal energy through thermal emission.

Answer 2

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$\tt\pink{❥\:ᴄᴏɴᴅᴜᴄᴛɪᴏɴ}$ ➙ Conduction is the process by which heat energy is transmitted through collisions between neighboring atoms or molecules. Conduction occurs more readily in solids and liquids, where the particles are closer to together, than in gases, where particles are further apart.

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$\tt\blue{❥\:ᴄᴏɴᴠᴇᴄᴛɪᴏɴ}$ ➙ Convection is the transfer of heat due to the bulk movement of molecules within fluids, including molten rock. Convection includes sub-mechanisms of advection, and diffusion. Convection cannot take place in most solids because neither bulk current flows nor significant diffusion of matter can take place.

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$\tt\pink{❥\:ʀᴀᴅɪᴀᴛɪᴏɴ}$ ➙ In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium. This includes: electromagnetic radiation, such as radio waves, microwaves, infrared, visible light, ultraviolet, x-rays, and gamma radiation (γ).

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