properties of thermal rediation
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Answer:1)Thermal radiation emitted by a body at any temperature consists of a wide range of frequencies. ... If it is heated further, it also begins to emit discernible amounts of green and blue light, and the spread of frequencies in the entire visible range cause it to appear white to the human eye; it is white hot.
Answer:1)Thermal radiation emitted by a body at any temperature consists of a wide range of frequencies. ... If it is heated further, it also begins to emit discernible amounts of green and blue light, and the spread of frequencies in the entire visible range cause it to appear white to the human eye; it is white hot.Thermal radiation emitted by a hot body depends not only on its temperature but also on the material of the body,its shape and the nature of its surface. For example,a hot body with a polished surface emits less radiation than does hot body with rough surface. Just as properties of real gases can be understood by ...
Answer:1)Thermal radiation emitted by a body at any temperature consists of a wide range of frequencies. ... If it is heated further, it also begins to emit discernible amounts of green and blue light, and the spread of frequencies in the entire visible range cause it to appear white to the human eye; it is white hot.Thermal radiation emitted by a hot body depends not only on its temperature but also on the material of the body,its shape and the nature of its surface. For example,a hot body with a polished surface emits less radiation than does hot body with rough surface. Just as properties of real gases can be understood by ...The intensity and distribution of radiant energy within this range is governed by the temperature of the emitting surface. The total radiant heat energy emitted by a surface is proportional to the fourth power of its absolute temperature (the Stefan–Boltzmann law).
Answer:1)Thermal radiation emitted by a body at any temperature consists of a wide range of frequencies. ... If it is heated further, it also begins to emit discernible amounts of green and blue light, and the spread of frequencies in the entire visible range cause it to appear white to the human eye; it is white hot.Thermal radiation emitted by a hot body depends not only on its temperature but also on the material of the body,its shape and the nature of its surface. For example,a hot body with a polished surface emits less radiation than does hot body with rough surface. Just as properties of real gases can be understood by ...The intensity and distribution of radiant energy within this range is governed by the temperature of the emitting surface. The total radiant heat energy emitted by a surface is proportional to the fourth power of its absolute temperature (the Stefan–Boltzmann law). Thermal radiation is electromagnetic radiation generated by the thermal motion of particles in matter. All matter with a temperature greater than absolute zero emits thermal radiation. Particle motion results in charge-acceleration or dipole oscillation which produces electromagnetic radiation. Objects that are at room temperature emit thermal radiation in the form of infrared light. ... For example, toasters use thermal radiation emitted by its elements to toast bread. Buildings with hot water heater systems use radiators to transfer their heat to the air in a room in the form of thermal radiation.
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