Mathematics · Electronic Distance Measurement
An EDM instrument uses a modulation frequency of 20 MHz. What is the maximum distance (unit length) it can measure without ambiguity assuming light velocity c = 3.8 × 108 m/s?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 115.0 m
- 29.5 m✓
- 330.0 m
- 460.0 m
Correct answer
9.5 m
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