SPST201 quiz 5

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American Public University *

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Course

201

Subject

Physics

Date

Apr 3, 2024

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pdf

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4

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Quiz 5 - Results Attempt 1 of 1 Written Jan 3, 2024 11:47 AM - Jan 3, 2024 12:47 PM Attempt Feedback Attempt Score 98 / 100 - 98 % Overall Grade (Highest Attempt) 98 / 100 - 98 % Subsection Question 1 10 / 10 points What is the subject of a mission, and how does it relate to the payload design? Question 2 10 / 10 points By using whose law can we determine the best frequency to use to see a particular subject? , This is a very good score. If desired, schedule a meeting with me via email or Microsoft Teams to go over this assignment. Make sure you know how to get the correct answer for every problem. I left feedback for missed questions. The mission subject is a natural or manufactured object or phenomena that the payload will target or analyze. For a subject like Earth's weather a Payload would need to be equipped with different remote sensing instruments that can view and monitor clouds in the atmosphere. The payload requirements vary based on what kind of subject is targeted.
Question 3 8 / 8 points ___ clear___ ___ simple___ Question 4 5 / 5 points Which of the following wavelengths of electromagnetic radiation pass through atmospheric windows to reach the surface of the Earth (check all that apply)? Question 5 5 / 5 points How are wavelength and frequency related? Planck Wien Curie Einstein There are two important qualities of requirements to remember: they should be and . Radio Gamma ray Visible X Ray The distance from crest to crest of an EM wave is defined as a wavelength and the number of those waves that go by in a single second is called a frequency. we can relate wavelength, speed, and frequency as
Question 6 10 / 10 points Which of the following does the mission statement NOT lay out: Question 7 8 / 8 points ___ scan rate___ Question 8 8 / 8 points ___ ECLSS___ Question 9 8 / 8 points ___ systems engineering___ Question 10 8 / 8 points What is the angular resolution of a detector with a 0.5 m aperture operating at a wavelength of 10 micrometers? Question 11 6 / 8 points A remote-sensing payload operates in the infrared part of the spectrum (lambda = 1 micrometer). If it has an aperture diameter of 1 m, what would its resolution be (in meters) while operating in a geosynchronous orbit (35,786 km)? The mission objective The mission users Mission requirements The operations concept Similarly, many spacecraft use mirrors to move the image in a sweeping pattern to look at objects of interest. The speed at which this motion takes place is called the . The radiator, air conditioner, and heater are part of the system. engineers have developed a well-tested process for translating simply-stated needs into complex systems. We call this process . The angular resolution can be found using the following equation:
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Hide ques±on 11 feedback Question 12 5 / 5 points A resolution of 5 cm is lower than a resolution of 10 cm. True False Question 13 7 / 7 points Albert Einstein helped to usher in the field of quantum physics. He postulated that objects emit energy in tiny bundles or "quanta" called photons. True False Done The resolution can be found using the following equation: 2.44 x lambda x h /D = 2.44 x 1e-6 x 35786e3/1 = 87.3 m