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2.5.2. Types of Sensors
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- 1.
What is the primary source of energy for passive sensors?
Hint
Think about how these sensors capture images; what do they rely on?
- 2.
Can active sensors operate at night?
Hint
Consider how these sensors perform in various weather conditions.
- 3.
What is the main difference between passive and active sensors?
- Passive sensors use internal energy; Active sensors use sunlight
- Passive sensors work only during the day; Active sensors can work at night
- Passive sensors are faster than active sensors
Hint
Recall the definitions of both types of sensors.
- 4.
True or False: LiDAR is a passive sensor.
- True
- False
Hint
Consider whether LiDAR uses external light.
- 5.
In an engineering project, you need to monitor land degradation during nighttime. Which type of sensor would you use and why? Discuss your reasoning.
Hint
Think about sensor functioning in different light conditions.
- 6.
Consider a scenario where atmospheric conditions prevent sunlight from reaching the Earth’s surface. Which type of sensor would provide reliable data in this case, and why?
Hint
Consider which sensor emits energy.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
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Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting