일반물리학 1 · Measurement · Problem 8
일반물리학 1 — Measurement: Problem 8
8 A boy measures the thickness of a human hair by looking at it through a microscope of magnification 100×. After 25 observations, the boy finds that the average width of the hair in the field of view of the microscope is 3.8 mm. What is the estimate on the thickness of hair?
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