# data[].attributes.body
X-rays are produced when electrons strike a metal target. The electrons are liberated from the heated filament and accelerated by a high voltage towards the metal target. The X-rays are produced when the electrons collide with the atoms and nuclei of the metal target.

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The x-rays can cause cell damage and cancer.This is why radiographers in hospitals stand behind a sheild when they x-ray their patients.

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The x-rays are used by doctors to see inside other people.X-rays are also used in airport security checks,to see inside your luggage.They are also used by astronmers,many objects in the univers emit x-rays,which we can detect using suitable radio telescope.The machines are managed by a trained x-ray technical.

# data[].attributes.body
the wavelength is 10 to the negative tenth power
the frequency is 10 to the 18th power