3.2.4 - Distance measurement
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Practice Questions
Test your understanding with targeted questions
What does EDM stand for?
💡 Hint: Think about what technology is used for measuring distances.
What is the purpose of a reflecting prism in EDM?
💡 Hint: It's what's hit by the signal from the EDM.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What principle does EDM operate on?
💡 Hint: Think about how distance is calculated.
True or False: The main application of EDM is in measuring short distances.
💡 Hint: What does EDM allow for compared to manual measurement methods?
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Challenge Problems
Push your limits with advanced challenges
An EDM measures a distance with an elapsed time of 0.002 seconds for a laser signal. How far is the object, assuming the speed of light is 300,000 km/s?
💡 Hint: Use the distance formula provided during the lesson.
If atmospheric conditions are causing an error of 10 mm over a distance of 1000 m, how would you calibrate your EDM to ensure accuracy?
💡 Hint: Consider how calibration can correct systematic errors.
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