MadSci Network: Physics

Re: is heat radiation affected by electric and magnetic fields?

Date: Fri Feb 25 09:42:55 2000
Posted By: William Lorenzen, Staff, Radiation Safety, Children's Hospital
Area of science: Physics
ID: 950811326.Ph

Basically no. Heat radiation along with electric and magnetic are all part of the electomagnetic spectrum of radiations. These types of radiation have no mass and no electrical charge associated with them. They each are wave forms of energy however each has it's own defined wavelength: Electric waves > 300000 centimeters (cm); Radio waves 300000 cm; Infrared 0.000001 meters (m); Visible light from 0.0000007 m to 0.00000001 m; x-rays 0.00000001 m to 0.0000000000000001 m; Gamma rays 0.00000000001 to 0.00000000000001 m; These electromagnetic radiations are generally not considered to be effected by each other. so heat radiation (infrared) is not effected by electromagnetic radiations. On the other hand, forms of radiation which have mass and charge such as alpha and beta radiation are effected by electromagnetic radiation. mainly because they have a defined mass and an associated electrical charge. A classic physics experiment is to show how alpha and beta particles paths are deflected or altered when they travel through a magnetic field. Hope this helps.

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