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Which of the following statements is true?
There is no medium necessary for radiation.
Convection is the process of transferring heat via the vibration of particles at their location.
Conduction is the term for heat transmission caused by the movement of particles.
The radiation mechanism is what causes the heat from the gas flame to warm the cooking pan.
Answers (1)
Because radiation does not require a medium for the passage of heat, statement one is true. When a cooking pan is cooked over a gas stove, heat is transferred from the flame to the pan by a process known as conduction.
Radiation contains electromagnetic waves, commonly referred to as radiant energy, which are used to transport heat.
Energy transfer refers to the flow of energy from one location to another. Temperature differences are the primary cause of heat transfer. Heat transmission can occur in three different ways.
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Conduction: Conduction is the form of heat transmission in solids in which heat transfer occurs without the movement of medium particles. For instance, we may feel heat at the other end of a metal rod by heating the other end.
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Convection: Convection is the mechanism of heat transmission in fluids where heat transfer occurs as a result of the movement of the medium's particles.
As an illustration: Boiling water in a pot
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Radiation: Radiation is the mechanism of heat transmission in which heat is moved from one location to another without changing the particles of the medium. For instance, we may feel the heat when we put our hands next to a gas cooker that is burning. Radiation is to blame for this
A disturbance known as a wave is one that moves energy from one location to another. It is not necessary for there to be a temperature difference for wave-based energy transfer.
Hence, a temperature differential is not required for energy transmission in the radiation mode. Contrarily, conduction and convection are brought about by temperature differences.
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