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Quick question about pressure radiation for reflection

  1. Mar 11, 2012 #1
    1. The problem statement, all variables and given/known data
    write pressure radiation for reflection in terms of force and area

    2. Relevant equations

    3. The attempt at a solution

    is that correct? (im fairly certain ive solved this correctly but i just wanted to check)
  2. jcsd
  3. Mar 11, 2012 #2
    radiation pressure , in the case of reflection is [itex]\frac{2I}{c}[/itex], but the pressure is just force per unit area. so you should not have the factor of 2 in the second equation
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