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A space probe is a distance of 400 million meters from a planet (about the distance from the = 620 μV/m and Earth to the Moon). The probe measures an electromagnetic wave with Emax a frequency of 5.0 GHz. a) What is the wavelength of the wave? What category of radiation is this? c) b) Assuming the wave is broadcast isotropically, what is the power of the transmitter? Based on your knowledge of power sources on Earth (Google if needed: power plants, power need of cities, high power broadcast radio etc.), do you think the wave is actually broadcast isotropically or is beamed towards you?

A space probe is a distance of 400 million meters from a planet (about the distance from the = 620 μV/m and Earth to the Moon). The probe measures an electromagnetic wave with Emax a frequency of 5.0 GHz. a) What is the wavelength of the wave? What category of radiation is this? c) b) Assuming the wave is broadcast isotropically, what is the power of the transmitter? Based on your knowledge of power sources on Earth (Google if needed: power plants, power need of cities, high power broadcast radio etc.), do you think the wave is actually broadcast isotropically or is beamed towards you?

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A space probe is a distance of 400 million meters from a planet (about the distance from the = 620 μV/m and Earth to the Moon). The probe measures an electromagnetic wave with Emax a frequency of 5.0 GHz. a) What is the wavelength of the wave? What category of radiation is this? c) b) Assuming the wave is broadcast isotropically, what is the power of the transmitter? Based on your knowledge of power sources on Earth (Google if needed: power plants, power need of cities, high power broadcast radio etc.), do you think the wave is actually broadcast isotropically or is beamed towards you?
Transcribed Image Text:A space probe is a distance of 400 million meters from a planet (about the distance from the = 620 μV/m and Earth to the Moon). The probe measures an electromagnetic wave with Emax a frequency of 5.0 GHz. a) What is the wavelength of the wave? What category of radiation is this? c) b) Assuming the wave is broadcast isotropically, what is the power of the transmitter? Based on your knowledge of power sources on Earth (Google if needed: power plants, power need of cities, high power broadcast radio etc.), do you think the wave is actually broadcast isotropically or is beamed towards you?
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