X-Rays

Summary

I. Introduction (definition)

II. Things you should know.

III. What are X rays used for ?

IV. How (do) X rays work ?

V. Which risks can X rays cause ? VI. Conclusion

IntroductionWhat are X-Rays?

* form of electromagnetic radiation

* invisible to the human eye

* have a wavelenght corresponding to frequencies in the range 30 petahertz to 30 exahertz.

Frequencies (Hz)X-rays: A type of radiation surrounded by many others you may know of, such as: gamma rays, infrared radiation and ultraviolet radiation.  

III. What are X rays used for ?

before the x-rays were found helpful they were used in radiation treatment for cancer

to look at bones that could have a stress fracture or be broken

to see something in the body that could have been swallowed

to see the image of a gun-shot wound such as a bullet that entered the body

to look at gallstones

to examine teeth

to scan baggage at the airport

IV. How X-rays work ?X rays pass easily through air and soft tissue of the body. When they encounter more dense material, such as a tumor, bone, or a

metal fragment, they are stopped.

V. Which risks can X rays cause ?

* trigger a cancer

* kill living cells

* severe burns , cancer , leukemia, and cataracts. * reduce your immunity to disease

* make changes in your reproductive cells

VI. Conclusion

We have seen that X-rays is the most common form of radiation and is the oldest diagnostic imaging procedure. It can be used in

different domains like industry, medecine... However they can cause damages and dangers as cancer,

leukemia, cataracs and many others so we must take precautions.