X-rays and gamma rays

• What are the two types of radiation discussed in the video?

  1. rays and gamma rays
• What is the main use of x-rays?


  To view the internal structure of objects, including the human body
• How does a typical x-ray machine work?


  It fires x-rays through a person's body and records the ones that get through using a detector plate
• Why do x-rays pass through certain parts of the body but not others?


  1. rays are absorbed by dense materials like bones but pass through air-filled parts like lungs
• What color do dense areas like bones appear in x-ray images?


  White
• What is the risk associated with x-ray exposure?


  It gives a small amount of radiation which can be harmful
• Why do medical staff wear lead aprons during x-ray procedures?


  To protect themselves from x-ray exposure
• What are gamma rays used for in medicine?


  Medical imaging and treating cancer through radiotherapy
• How do gamma rays help in sterilization?


  They kill microorganisms without causing damage to the items being sterilized
• What is a disadvantage of using boiling water for sterilizing medical equipment?

  It can damage materials like plastic
• Why are gamma rays preferred over boiling water for sterilizing food?


  They kill harmful microbes without altering the food
• What trade-off must be considered when using x-rays and gamma rays in medicine?


  They are ionizing radiation that can damage cells but also help diagnose and treat diseases
• What are the pros and cons of using x-rays and gamma rays in medical applications?


  Pros:

  • Help diagnose and treat diseases
  • Quick and cheap tests

  
  

  Cons:

  • Can damage cells
  • Risk of cancer in rare cases