write the difference between conduction,convection and radiation
srishti6178:
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Hi friend here is your answer
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1. Conduction and convection require a material medium whereas radiation can occur in vacuum also.
2. Conduction is a slow process. Convection is faster than conduction. Radiation is the fastest in which heat transfer occurs at the speed of light.
3. In conduction, transfer of heat takes place in any dierction; in convection heat transfer occurs only in a vertically upward direction; Radiation of heat from a hot body takes place in all directions along straight lines.
4. Conduction and convection processes heat up the medium where as radiation does not heat up the space between the bodies that undergo heat transfer.
5. In conduction there is no movement of particles of the medium; in convection there is movement of particles of the medium; in radiation heat is directly transferred from the hot body to the cold body in the form of electromagnetic waves.
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1. Conduction and convection require a material medium whereas radiation can occur in vacuum also.
2. Conduction is a slow process. Convection is faster than conduction. Radiation is the fastest in which heat transfer occurs at the speed of light.
3. In conduction, transfer of heat takes place in any dierction; in convection heat transfer occurs only in a vertically upward direction; Radiation of heat from a hot body takes place in all directions along straight lines.
4. Conduction and convection processes heat up the medium where as radiation does not heat up the space between the bodies that undergo heat transfer.
5. In conduction there is no movement of particles of the medium; in convection there is movement of particles of the medium; in radiation heat is directly transferred from the hot body to the cold body in the form of electromagnetic waves.
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Conduction:
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It is heat transfer between part of the same material or different material which are adjacent to one another.
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Convection:
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It is heat transfer from one material to another via a medium, such as air or water.
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Radiation:
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It is heat transfer without any medium and through electromagnetic waves, such as between the Sun and the Earth.
✳️✳️✳️✳️✳️✳️✳️✳️✳️✳️✳️✳️✳️✳️
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Conduction:
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It is heat transfer between part of the same material or different material which are adjacent to one another.
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Convection:
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It is heat transfer from one material to another via a medium, such as air or water.
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Radiation:
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It is heat transfer without any medium and through electromagnetic waves, such as between the Sun and the Earth.
✳️✳️✳️✳️✳️✳️✳️✳️✳️✳️✳️✳️✳️✳️
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