Solving a problem in physics section 25 point 65 optics

Solving a problem in physics section 25 point 65 optics

65. How many times to change the intensity of the monochromatic light passing through the two layers of the absorber 20 and the thickness of 10 cm having a linear absorption coefficient of 0.05 cm-1 and 0.2 cm-1, respectively.

Additional information:

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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