Physics P3: 1

X - Rays

• high energy, high frequency, short wavelengths electromagnetic waves
  
• can pass through soft tissue
• abosorbed by bone and diseased tissue
• ionising --> can damage living cells
• workers 
  • leave room
  • wear lead shielding
• detect broken bones or cancerous tissue
• kill cancerous cells in tumours

CAT Scans

• a ring of X-rays
• ADVANTAGES:
  • better images
  • …