Assume (unrealistically) that a TV station acts as a point source broadcasting isotropically at 2.5 MW. What is the intensity of the transmitted signal reaching a nearby star that is 44 ly away. (An alien civilization at that distance might be able to watch X Files.) A light-year (ly) is the distance light travels in one year. Number Units
Assume (unrealistically) that a TV station acts as a point source broadcasting isotropically at 2.5 MW. What is the intensity of the transmitted signal reaching a nearby star that is 44 ly away. (An alien civilization at that distance might be able to watch X Files.) A light-year (ly) is the distance light travels in one year. Number Units
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![**Problem Statement:**
Assume (unrealistically) that a TV station acts as a point source broadcasting isotropically at 2.5 MW. What is the intensity of the transmitted signal reaching a nearby star that is 44 ly away? (An alien civilization at that distance might be able to watch _X Files_.) A light-year (ly) is the distance light travels in one year.
**Input Fields:**
- **Number:** [Text box for numeric input]
- **Units:** [Drop-down menu for units selection]
**Additional Instructions:**
Use the correct number of significant digits; the tolerance is +/-1 in the 2nd significant digit.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F004a8e3c-a278-4414-bbaf-77c8d726d7bd%2F01994778-e5bf-484a-870f-3f75724f1d54%2F9j9yq5w_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Problem Statement:**
Assume (unrealistically) that a TV station acts as a point source broadcasting isotropically at 2.5 MW. What is the intensity of the transmitted signal reaching a nearby star that is 44 ly away? (An alien civilization at that distance might be able to watch _X Files_.) A light-year (ly) is the distance light travels in one year.
**Input Fields:**
- **Number:** [Text box for numeric input]
- **Units:** [Drop-down menu for units selection]
**Additional Instructions:**
Use the correct number of significant digits; the tolerance is +/-1 in the 2nd significant digit.
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