the charachterstics x ray provides the information of
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Characteristic X-rays can be used to identify the particular element from which they are emitted. This property is used in various techniques, including X-ray fluorescence spectroscopy, particle-induced X-ray emission, energy-dispersive X-ray spectroscopy, and wavelength-dispersive X-ray spectroscopy.
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- X-rays are a form of electromagnetic radiation that can pass through solid objects, including the body. X-rays penetrate different objects more or less according to their density. In medicine, X-rays are used to view images of the bones and other structures in the body.
- X-rays were first discovered by Wilhelm Conrad Roentgen, a German physics professor. Roentgen also studied X-rays and their ability to pass through human tissues to produce images of the bones and metals visible on developed film.
- To obtain an X-ray image of a part of the body, a patient is positioned so the part of the body being X-rayed is between the source of the X-ray and an X-ray detector. As the X-rays pass through the body, images appear in shades of black and white, depending on the type of tissue the X-rays pass through.
- For example, the calcium in your bones makes them denser, so they absorb more radiation and appear white on X-rays. Thus when a bone is broken (fractured), the fracture line will appear as a dark area within the lighter bone on an X-ray film.
- Less dense tissue such as muscle or fat absorbs less, and these structures appear in shades of gray on X-ray film. Air absorbs little of the X-rays, so the lungs and any air-filled cavities appear black on an X-ray film. If pneumonia or tumors are present in the lungs, they are denser than the air-filled areas of the lungs and they will appear as whiter spots on X-ray film
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