Practice Types Of Sensors (2.5.2) - Fundamentals of Remote Sensing - Geo Informatics
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Types of Sensors

Practice - Types of Sensors

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the primary source of energy for passive sensors?

💡 Hint: Think about how these sensors capture images; what do they rely on?

Question 2 Easy

Can active sensors operate at night?

💡 Hint: Consider how these sensors perform in various weather conditions.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

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.

Question 2

True or False: LiDAR is a passive sensor.

True
False

💡 Hint: Consider whether LiDAR uses external light.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

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.

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