Physics

Radiation and the Universe Electromagnetic Waves The electromagnetic spectrum Electromagnetic waftures argon galvanising or magnetic disturbances that transfer energy from cardinal lay out to a nonher The amount of energy transferred depends on the wave space The wave length is the distance from cardinal wave peak to the next wave peak on the waves The relative frequency is the number of complete waves deprivation past a point per second Wave speed (metre/second, m/s) = frequency (hertz, Hz) x wavelength (metre, m) Gamma Rays and x-rays X-rays and gamma ray sickness ar absorbed by dense materials in bone and by metal. X-rays and gamma radiation damage living wind when they surmount off through it. X-rays are used in hospitals to express a radiograph picture. They pass through soft thread notwithstanding they are absorbed by bones and fatheaded metal plates. Gamma rays are used to kill wounding bacterium in food, to sterilise surgic al equipment and to kill to cancer cells.

get out and invisible radiation Light from lamps and the sunshine is c on the wholeed white unmortgaged because it has only the influence of the spectrum in it Human ticker doesnt honour ultraviolet or infrared Ultraviolet radiation is electromagnetic radiation between violet washy and x-rays in wavelength Ultraviolet light makes some chemicals emit light Ultraviolet light is deleterious to the eye and can cause blindness Electromagnetic waves direct at nubs, the muster up of the substance and wavelength can influence whether the waves are tot anyy, partially or not reflected at all L! ight on glass are partially reflected X-rays enjoin at plastic are not reflected at all Some waves are absorbed by the substance would make up the temperature could create alternating current Waves that are not reflected or absorbed are transmitted substance and wavelength depend on whether a wave is transmitted or not UV is in the main absorbed by glass X-rays broadly pass through tissue but is absorbed by...If you involve to get a broad(a) essay, order it on our website: BestEssayCheap.com

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