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  • 01-11-2016
  • Physics
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According to the inverse square law of light, how will the apparent brightness of an object change if its distance to us triples?

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antonsandiego
antonsandiego antonsandiego
  • 03-11-2016
According to the inverse square law of light, apparent brightness will decrease by a factor of 9. Use the formula [tex]B=L/(4*pD^2)[/tex], to check it.
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