Ultraviolet and electromagnetic waves in medicine

• What type of waves are electromagnetic waves?

  Transverse waves
• How do reflection and refraction of light affect our perception?

  They explain how people see images, color, and optical illusions
• What are the properties and uses of ultraviolet (UV) light?

  • UV light is invisible to the human eye
  • Can cause skin tanning or burning
  • Used in energy-efficient lamps to produce visible light
  • Detects forgeries on bank notes
  • Kills bacteria and disinfects water
• What hazardous effects can ultraviolet light have on the human body?

  It can cause skin damage and increase the risk of skin cancer
• What generates electromagnetic waves in atoms?

  Changes in atoms and their nuclei
• What type of radiation are gamma rays classified as?

  Nuclear radiation
• Why are X-rays ideal for internal imaging?

  They are transmitted through body tissues with very little absorption
• How are X-rays used in airport security scanners?

  For scanning the internal structure of objects
• What is the role of gamma rays in medicine?

  They are used for sterilizing food and medical instruments, and in cancer treatment
• What are the types of ionizing radiation mentioned?

  • Ultraviolet waves
  • X-rays
  • Gamma rays
• What is ionizing radiation capable of doing to atoms or molecules?

  It can remove electrons, producing positively charged ions
• What are the hazardous effects of ionization on the body?

  It can cause skin cell damage and gene mutations leading to cancer
• What can ultraviolet waves cause in terms of health risks?

  Damage to skin cells and eyes
• What can X-rays and gamma rays cause in terms of genetic effects?

  Mutation of genes, which can lead to cancer