Eleanora Eleanora
  • 17-03-2014
  • Physics
contestada

Compare the intensity of light 2 meters away from a lit match to the intensity 6 meters away from the match.

Respuesta :

hillout hillout
  • 17-03-2014
The ratio of intensity to distance is an inverse square law so if you increase the distance by 3 times, the intensity will reduce by [tex] 3^{2} [/tex] times

so the intensity will be 9 times less.
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