Practice - Echo Sounders and Sonars
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Practice Questions
Test your understanding with targeted questions
What does an echo sounder measure?
💡 Hint: Think about instruments used for navigation.
Name one type of sonar.
💡 Hint: Consider the technology that provides images of the underwater terrain.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What technology is used by echo sounders to measure depth?
💡 Hint: Think about what travels well underwater.
True or False: Multi-Beam Echo Sounders provide a single depth measurement.
💡 Hint: Consider the meaning of 'multi' in this context.
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Challenge Problems
Push your limits with advanced challenges
If an echo sounder sends out a pulse and it takes 3 seconds for the echo to return, what is the depth of the water (assuming the speed of sound in water is 1500 m/s)?
💡 Hint: Remember to divide by 2 since the sound has to travel to the bottom and back.
How would choosing a Single Beam Echo Sounder over a Multi-Beam Echo Sounder affect your data collection during a survey?
💡 Hint: Think about the scanning coverage of each device.
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Reference links
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