2.2.3. Electromagnetic Spectrum

Try these first

1. 1.

   What is the electromagnetic spectrum?

   Hint

   Think about what types of radiation there are.

2. 2.

   Name one application of visible light in remote sensing?

   Hint

   It is what the human eye can see.

3. 3.

   What do the different regions of the electromagnetic spectrum signify?

   • They represent different colors only.
   • They are categorized by their wavelength and frequency.
   • They are unrelated to remote sensing.

   Hint

   Think about what defines the electromagnetic spectrum.

4. 4.

   True or False: Microwaves can penetrate cloud cover.

   • True
   • False

   Hint

   Consider the properties of microwaves compared to visible light.

5. 5.

   Explain how understanding the electromagnetic spectrum can improve remote sensing technologies.

   Hint

   Think about how picking the right tool can lead to better results.

6. 6.

   Design a study that utilizes different parts of the electromagnetic spectrum to monitor an urban area’s changes in environment.

   Hint

   Consider how each type of radiation can uniquely contribute to data collection.