Convection is the transfer of heat through a fluid (liquid or gas) by the movement of the fluid itself. When the fluid is heated, it expands becomes less dense and rises. The cooler fluid then sinks to take its place. ...
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Thermal conductivity is the property of a material to conduct heat. It depends on the material’s nature temperature and structure. Good conductors like metals have high thermal conductivity while insulators like wood and rubber have low conductivity. The unit of ...
Thermal conduction is the transfer of heat within a substance without the movement of its particles. It occurs due to the transfer of kinetic energy between neighboring molecules or atoms. Metals are good conductors as they have free electrons while ...
Conductivity is the property of a material to allow the flow of heat or electricity through it. Thermal conductivity measures heat transfer, while electrical conductivity measures electric current flow. Good conductors like metals have high conductivity, enabling efficient transfer, while ...
Pressure is the force exerted per unit area on a surface. It is a scalar quantity measured in pascals in the SI system. Pressure can arise from liquids gases or solids and plays a key role in various phenomena like ...