Question

The radiations emitted by a hot furnace are?
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Answer 1

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Infra-red are the radiations emmited by a hot furnace.

Answer 2

The radiations emitted by a hot furnace are thermal radiation.

• Thermal radiation is electromagnetic radiation that a substance emits as a result of its heat, and the characteristics of this radiation depend on the temperature of the material. The infrared radiation that a typical home heater or radiator emits is an illustration of thermal radiation.
• When heat from the movement of charges in the material—protons and electrons in ordinary forms of matter—is transformed to electromagnetic radiation, thermal radiation is produced. Thermal radiation is emitted by all matter that has a temperature higher than absolute zero.
• Yes, electromagnetic radiation is produced by all objects, including human bodies. The temperature of the objects affects the wavelength of the radiation that is emitted. Thermal radiation is another name for this type of radiation.
• Infrared radiation and thermal radiation are not the same thing. All electromagnetic waves emitted by an item as a result of its temperature are collectively referred to as "thermal radiation," and this includes radio waves, infrared waves, and even visible light. Thermal radiation includes more than just infrared waves.

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