UV, X and Gamma Rays

• What changes can occur in the arrangement of electrons around atoms?

  Changes can result in electromagnetic waves
• What can result from changes in the nucleus of an atom?

  Gamma rays can be generated or absorbed
• What is the frequency range associated with gamma rays?

  Wide frequency range
• From where do gamma rays originate?

  From changes in the nucleus of an atom
• What types of waves can have hazardous effects on the human body?

  Ultraviolet waves, X-rays, and gamma rays
• What can ultraviolet waves cause in humans?

  Skin to age prematurely and increase cancer risk
• What can X-rays and gamma rays cause in terms of genetic material?

  They can cause mutations of genes and cancer
• What is radiation dose a measure of?

  Risk of harm from exposure to radiation
• What does radiation dose measure in terms of exposure?

  Exposure of the body to radiation
• What do the effects of radiation depend on?

  Type of radiation and size of dose