A monochromatic light source emits 202 W of
average electromagnetic power uniformly in
all directions.
The speed of light is 3
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A monochromatic light source emits W of average electromagnetic power uniformly in all directions. The speed of light is m/s. Calculate the average electric-?eld energy density m from the source. Answer in units of J/m3
(part B)
Calculate the average magnetic-?eld energy
density at the same distance from the source.
Answer in units of J/m3
(Part C)
Find the wave intensity at this location
Answer in units of W/m2
(part D)
What is the pressure exerted by the light on a
mirror located at the same distance from the
source, assuming normal incidence and total
re?ection?
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