What's the meaning of X-ray ?

In the X-ray Physics is a form of ionizing radiation and can be dangerous. X-ray tube consists of a vacuum tube that given two electrodes, an anode and a cathode and filament heating. Cathode which has been heated to release electrons. As a result, the potential difference is given between the anode and cathode are derived from a high voltage source, then the electrons from the cathode are attracted to the anode. When the electron-electron mashing anode, they slowed so its kinetic energy turns into heat and Electromagnetic Waves, which is a X-ray Peritiwa is often called Bremstahlung.

X-ray spectra produced by the X-ray tube consists of two parts, namely the continuous part due to the movement of electrons slowed and discrete parts (visible as peaks of the spectrum) as a result of the electrons from the cathode there is mashing atomic electrons anode so trajectory bouncing left and there was a vacancy in the electron shell of atoms the anode (which is usually the greatest probability, occurs on the inner skin). Vacancy on the anode atoms skin will soon be filled by electrons from the skin on the backside, which is accompanied by a transition of power emitted as X-rays characteristic, where the strength or discrete wavelengths which are characteristic or character of the anode material, so regular also called the characteristic X-rays. X-rays or Röntgen rays are a form of electromagnetic radiation with a wavelength range of 10 nanometers to 100 pikometer (same as petahertz frequencies in the range 30 - 30 exahertz) and have energies in the range 100 eV - 100 Kev. X-rays are commonly used in the diagnosis of medical images and X-ray crystallography. X-rays are a form of ionizing radiation and can be dangerous.