1 over r^2 lights

1 over r-squared 2

1 over r-squared

  • Show, qualitatively, that light intensity falls off as 1 over the square of the distance.
  • Bulbs have equal luminosity. When covered with translucent domes smaller dome is noticeably brighter. Amount of light is equal, but larger surface area means lower light density, i.e. lower brightness.
  • Located in Lo1, section B6.