A student measures 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 of the microscope is 3.5 mm. What is the estimate on the thickness of hair?
Answers
Answer:
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Explanation:
Magnification of microscope = 100
Magnification of microscope = 100Observed width of the hair = 3.5 mm
Magnification of microscope = 100Observed width of the hair = 3.5 mmEstimate on the thickness of hair is given by
Magnification of microscope = 100Observed width of the hair = 3.5 mmEstimate on the thickness of hair is given byMagnification =Observed width / Real width or
Magnification of microscope = 100Observed width of the hair = 3.5 mmEstimate on the thickness of hair is given byMagnification =Observed width / Real width orReal width = Observed width / Magnification = 3.5 /100
Magnification of microscope = 100Observed width of the hair = 3.5 mmEstimate on the thickness of hair is given byMagnification =Observed width / Real width orReal width = Observed width / Magnification = 3.5 /100= 0.035 mm..
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Explanation:
Given:-
A student measures 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 of the microscope is 3.5 mm.
To find:-
What is the estimate on the thickness of hair?
Solution:-
A student measures the thickness of a human hair by looking at it through a microscope of magnification 100.
Thickness of the hair through Magnification = 100
Number of observations = 20
Average width of the hair = 3.5 mm
Original thickness =
Observed thickness/ magnification
Estimated thickness of the hair =
Average width of the hair / Magnification
=>3.5mm/100
=>35/(100×10) mm
=>35/1000 mm
=>0.035 mm
Answer:-
the estimate on the thickness of hair or Original thickness of the hair = 0.035mm
Used formula:-
- Original thickness= Observed thickness/ magnification
- Estimated thickness of the hair =
Average width of the hair / Magnification