X-ray is a form of high energy electromagnetic radiation that have the ability to see through a person’s skin to reveal images of bones. With the advanced technology in medicinal field, X-rays are focused on light waves to detect the images.
Most of the x-rays are used to check the fractures and broken bones for any other reasons. X-rays are used on chest can spot pneumonia, X-ray of face can give an image of bones is face, x-ray on jaws can reveal the cavities etc.