X-rays & Gamma rays

• How do x-rays and gamma rays compare to other electromagnetic waves, in terms of wavelength and frequency

  X-rays and gamma rays have shortest wavelengths and highest frequencies of all the electromagnetic waves
• Do x-rays or gamma waves have a higher frequency

  Gamma waves
• What are x-ray machines at the hospital used for

  Used to view the internal structures of our bodies, to help diagnose illness.
• Outline how x-rays machines at the hospital work

  X-rays are fired at the patient

  X-rays are absorbed by materials which are very dense, like bones

  X-rays are transmitted through materials that are not very dense like lungs and intestines

  The X-rays that pass through are detected by a detector plate, forming an X-ray image
• What precautions do hospital staff take against the harmful effects of x-rays

  They leave the room when the x-rays are taken

  They were lead vests which stop the x-rays
• 3 uses of gamma rays in hospitals

  To sterilise equipment

  In medical imaging

  To treat cancer