Physical principle of imaging with X-rays
Is an electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target.
X-ray imaging physics
X-ray imaging begins with a beam of high energy electrons crashing into a metal target and x-rays are produced. A filter near the x-ray source blocks these low energy rays, which means only the high energy rays pass through a patient toward a sheet of photographic film. X-ray can penetrate liquids, gas and solids. The point of penetration is based on the intensity, quality and wavelength of the X-ray beams. The stronger the beam of X-ray the more it will material it can penetrate, and vise versa. These electromagnetic radiations or X-ray work on the absorption of low level radiation by parts of our body with higher density,making the radiation not absorbed hit the photographic 'plate' to form a 'negative image'. This means the waves of X-ray can penetrate through materials of light atoms, such as flesh that is why flesh is not seen during imaging with X-rays. Bones, which are heavier atoms than flesh (due to the calcium in them), absorb the X-rays. The absorbed X-rays by the bones then glow on the photographic film. Meaning the higher the density of the material the brighter it will be imaged on the photographic film.
"Imaginis." How Does X-ray Imaginig Work? N.p., n.d. Web. 11 Dec. 2012.
"Properties Of X-Ray." Junior Dentist. N.p., 21 June 2010. Web. 10 Dec. 2012.
"Reading the X-rays." Reading the X-rays. N.p., n.d. Web. 11 Dec. 2012.
"WordNet Search - 3.1." WordNet Search. N.p., n.d. Web. 11 Dec. 2012.