Question

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

Answer 1

3.5/100 =0.035 mm is the thickness as per the observation

Answer 2

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Magnification of the microscope = 100

Average width of the hair in the field of view of the microscope = 3.5 mm

∴Actual thickness of the hair is

3.5/100

= 0.035 mm.

I hope, this will help you

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