1. A light source produces monochromatic light at 600 nm with a spectral irradiance of 1 x 10¹ photons/cm²/sec. What is the power density of this light source? Is the light source visible to the human eye?
1. A light source produces monochromatic light at 600 nm with a spectral irradiance of 1 x 10¹ photons/cm²/sec. What is the power density of this light source? Is the light source visible to the human eye?
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Transcribed Image Text:1. A light source produces monochromatic light at 600 nm with a spectral
irradiance of 1 x 10¹ photons/cm²/sec. What is the power density of this light
source? Is the light source visible to the human eye?
2. The simplified band structure of silicon (n = 1 x 10¹0cm³) is shown below.
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