An electromagnetic (em-) wave in free space has an electric field described by E (r, t) = x (50 cos (w t-k z)]} V/m, with v = = 10⁹ Hz. i) Find the average power passing through a circular area of diameter 5 m in the plane where z = 5m. ii) Determine the average momentum density of this em-wave. iii) Calculate the radiation pressure of this em-wave when it falls on a perfect conductor. "II'
An electromagnetic (em-) wave in free space has an electric field described by E (r, t) = x (50 cos (w t-k z)]} V/m, with v = = 10⁹ Hz. i) Find the average power passing through a circular area of diameter 5 m in the plane where z = 5m. ii) Determine the average momentum density of this em-wave. iii) Calculate the radiation pressure of this em-wave when it falls on a perfect conductor. "II'
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electromagnetic (em-) wave in free space has an electric field described by
E (r, t) = x (50 cos (w t- k z)]} V/m, with v = 10⁹ Hz.
i)
Find the average power passing through a circular area of diameter 5 m in the plane where z
= 5m.
Determine the average momentum density of this em-wave.
Calculate the radiation pressure of this em-wave when it falls on a perfect conductor.
€
ii)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F79eef94c-4bfb-4682-9caf-4f06e50ac1f0%2Fa0760a6e-d45d-4a20-9fb5-74c7095a4490%2Fe87jbnp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:An
electromagnetic (em-) wave in free space has an electric field described by
E (r, t) = x (50 cos (w t- k z)]} V/m, with v = 10⁹ Hz.
i)
Find the average power passing through a circular area of diameter 5 m in the plane where z
= 5m.
Determine the average momentum density of this em-wave.
Calculate the radiation pressure of this em-wave when it falls on a perfect conductor.
€
ii)
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