Xray

X-rays are electromagnetic waves unspoiled like visible light, piano tuner waves and microwaves. They have a wavelength range of roughly 0.01 to 10 nms (1 micromillimetre = 1 billionth of a meter). When talking about roentgen ray imaging, however, its easier to think of roentgenograms in terms of photons. Photons are like bantam wave packets and electromagnetic waves jakes be described as a big collection of photons. X-rays are generated in an roentgenogram tube (unsurprisingly). Basically, a bunch of negatrons are shot at a piece of metal (usually tungsten, the same metal give in old school incandescent light bulbs). at a time what happens next is a little complicated, nevertheless really coolheaded So the negatron travels at a certain speed up toward the piece of tungsten; it has energizing capability, which is the energy of motion. But as it gets close to the Tungsten it give run into an electric force field produced by the metal, and allow actua lly slow conquer. X-ray Tube Now, in natural philosophy there is principle called the conservation of energy. Basically this just says that energy can never be created or destroyed, it can however change form. So when the kinetic energy (energy of movement) of the electron drops (when it slows down) that alienated energy has to go somewhere. Where it goes, in fact, is in the multiplication of an x-ray.

The electron will actually emit an x-ray when it gets slowed down by the tungsten. Pretty sweet eh? Schematic of X-ray tube. Electrons bring onward in from the bottom, strike the tungsten target (the anode) and emits x-rays This is actually a type of radiation calle d Bremsstrahlung, which is German for brakin! g radiation. Schematic diagram of Bremsstrahlung Ok, so now we got x-rays, how do we make an image? Well, if we excite x-rays at, oh lets say, YOU! the x-rays will interact with your body. How you ask? Well when an x-ray passes by dint of the body, it may get absorbed or scattered by the body. An x-ray gets absorbed when the x-ray hits an electron in our body, and the...If you want to get a full essay, order it on our website: OrderEssay.net

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