Physics · Units and Measurements
The thickness of a thread is measured by a student using a microscope of magnification 100. After making 30 observations, he finds the average observed width of the thread under the microscope is 5.7 mm. What is the estimated real thickness of the thread?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.09 mm
- 20.57 mm
- 30.057 mm✓
- 4171 mm
Correct answer
0.057 mm
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