Practice Properties Of Emr (2.2.2) - Fundamentals of Remote Sensing

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9 questions

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Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does wavelength (λ) represent?
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Think about how you measure distance on a wave.
Question 2.
What is the approximate speed of light in a vacuum?
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Consider how quickly light travels!
3Question 3.
What is the wavelength of radio waves compared to gamma rays?
- Shorter
- Longer
- Same
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Think about their positions in the electromagnetic spectrum.
4Question 4.
True or False: As frequency increases, wavelength increases.
- True
- False
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Reflect on the formula c = λ × f.
Question 5.
If an electromagnetic wave has a frequency of 1 x 10^9 Hz, calculate its wavelength.
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Remember to keep the formula in mind for calculations.
Question 6.
Discuss the implications of different electromagnetic wave properties on remote sensing applications, such as detecting vegetation or urban areas.
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Relate back to how wavelength influences detection of materials.

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