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Homework Help: Radiometry and photometry

  1. May 4, 2013 #1
    1. The problem statement, all variables and given/known data

    If the light source in figure 12.1 (see figure below) of the Warren Smith text is replaced
    by a 100W light bulb, and the lens aperture is 20cm, what would the 1cm detector at
    point E record? Assume all other values are the same, and the light bulb is not

    View attachment Doc1.docx

    2. Relevant equations
    Not sure what to do since it isn't lambertian

    3. The attempt at a solution

    HB =∏Nsin^2θ = 7.85
  2. jcsd
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