GST 101 - Module 6 Self-assessment Quiz

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Self-assessment quiz for GST 101 - Module 6 - Understanding Remote Sensing and Aerial Photography


Questions and Answers
  • 1. 

    The full range of wavelengths is called the magnetic spectrum.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The full range of wavelengths is called the electromagnetic spectrum.

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  • 2. 

    Objects appear as the color they most absorb. 

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Objects appear as the color they most reflect.

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  • 3. 

    RADAR is a well-known active remote sensing system.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Active remote sensing systems, such as RADAR, emit and record energy they produce.

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  • 4. 

    Image scale is the relative distance on images to distance on the ground.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Knowing the image scale allows for accurate measurements.

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  • 5. 

    The infrared wavelength is very useful for mapping vegetation.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The infrared wavelength can tell us plant health among other useful observations.

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  • 6. 

    Scale is always constant on an aerial photograph.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Due to the many types of distortion possible when taking an aerial photograph, scale is variable across an aerial photograph.

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  • 7. 

    Photointerpretation is the process of converting images to information.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Photointerpretation can produce very useful products, like land use/land cover data sets.

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  • 8. 

    A stereo model is composed of a single photograph, but taken at an extremely high altitude.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    A stereo model requires at least two photographs taken at two slightly different perspectives of the same location.

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  • 9. 

    Satellite images typically cover a larger area than aerial images.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Because satellites are further away from Earth, their images typically cover a larger area than aerial images.

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  • 10. 

    For any project size, aerial imagery is always cheaper to obtain than satellite imagery.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    For projects that cover a very large area of Earth, satellite imagery may be cheaper to obtain as satellites can cover larger portions of the Earth much quicker than aircraft.

    Rate this question:

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 18, 2016
    Quiz Created by
    Rickasmith

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