2.31)I a.) At what depth is the intensity of the light half that of the intensity at the surface, I00? b.) At 5 meters deep, what is the intensity of the light as a fraction of I0? c.) How many meters deep
2.31)I a.) At what depth is the intensity of the light half that of the intensity at the surface, I00? b.) At 5 meters deep, what is the intensity of the light as a fraction of I0? c.) How many meters deep
Chapter16: Electromagnetic Waves
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Problem 86P: Distances in space are often quoted in units of light years, the distance ugh travels in 1 year. (a)...
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The intensity of light I through a lake at a depth of x meters is given by the following formula.
dI/dx = (-2.31)I
a.) At what depth is the intensity of the light half that of the intensity at the surface, I00?
b.) At 5 meters deep, what is the intensity of the light as a fraction of I0?
c.) How many meters deep will the intensity of light be 1 percent of the intensity of the light at the surface?
Remember that the depth at the surface is x = 0.
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