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in Physics by (24.2k points)

A student measures the thickness of a human hair by looking at it through a microscope of magnification 100. He makes 20 observations and find that the average width of the hair in the field of view of the microscope is 3.5 mm. What is the estimate on the thickness of hair?

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Estimate on the thickness of hair.

= 3.5/100 = 0.035 mm.

The estimated thickness of hair = 0.035 mm.

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