1. Electromagnetic Radiation

2. What are X-rays?
Form of high energy ionizing electromagnetic radiation
Weightless package of pure energy(photon) with no electrical charge traveling in waves with a specific frequency (speed of light)
Greater frequency of x-rays gives them greater energy
Greater energy = greater chance to penetrate matter

3. Properties of Electromagnetic Radiation
Have no mass or weight
Have no electrical charge
Travel at the speed of light (3x186,000 miles/second)
Travel as both a particle and a wave
Propagate an electric field at right angles to path of travel
Propagate a magnetic field at right angles to the electric field
Have different measurable energies (frequencies and wavelengths.

5. Radiation Physics
Electromagnetic Radiation
Physical Properties -
Wavelength
Wavelength
Electromagnetic radiations are considered to be tiny bundles or packets of pure energy that travel with a wave -like motion.

6. Wave lengths

7. Wavelengths
Can be defined as the distance between the crest of one wave to the crest of the next.
Wavelength determines the energy and penetrating power of the radiation.
The shorter the distance between the crests, the shorter is the wavelength and the higher is the energy and ability to penetrate matter.

8. Frequency and Velocity
Refers to the number of wavelengths that pass a given point in a certain amount of time.
Frequency and wavelength are inversely related
If the frequency of the wave is high, the wavelength will be short, and if the frequency is low, the wavelength will be long.
Velocity
Refers to the speed of the wave,
All electromagnetic radiations travel as waves or a continuous sequence of crests at the speed of light in a vacuum

10. In Summary
X-rays can be defined as weightless bundles of energy (photons) without an electrical charge that travel in waves with a specific frequency at the speed of light.
X-rays interact with the materials they penetrate and cause ionization.