Summary

• Maxwell's equations
• Electromagnetic waves

• Written Quiz    Timer
  
  
• Spherical mirrors equation applet
  
  Example #1
  
  
• Refraction of light
  • frequency remains the same
  • speed and wavelength change
  • wave must bend
  

klm
A candle is placed 8.0 cm in front of a concave mirror with a radius of curvature of 20 cm. Where is the image?
A. +20 cm             B. -40 cm
C. +2.5 cm            D. -12 cm
Answer







 



B. -40 cm