Physics · Measurements and Instruments
A student measures the thickness of a thread using a microscope with 100x magnification. After making 30 observations, he finds that the average observed width of the thread under the microscope is 5.7 mm. What is the actual thickness of the thread (approximately)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.057 mm✓
- 20.57 mm
- 3171 mm
- 40.09 mm
Correct answer
0.057 mm
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