Is it possible to have a measurement with no uncertainty?

In summary, measuring ten identical measurements does not eliminate the presence of uncertainties, as there can still be systematic uncertainties. The uncertainty of the measurement would depend on the accuracy of the measuring device, as even a single reading has a limited accuracy.
  • #1
wumple
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Homework Statement


If you were to measure ten identical measurements, would that imply that your measurement of the wavelength had no uncertainty? what would the uncertainty of the measurement be in that case?


Homework Equations



n/a

The Attempt at a Solution


I am thinking no because there would still be the presence of systematic uncertainties, ie flaws within the design of the experiment. But the problem seems to imply that there is a specific number, which is the part which I'm unsure of. Am I on the right track?
 
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  • #2
Any measuring device has a limited accuracy. Think about when you measure something with just one reading, what do you use for the uncertainty in those cases?
 

Related to Is it possible to have a measurement with no uncertainty?

1. What is uncertainty in measurements?

Uncertainty in measurements refers to the potential for error or variation in a measured value. It is a fundamental aspect of scientific measurements and reflects the limitations of the tools and methods used to obtain a measurement.

2. How is uncertainty calculated?

Uncertainty is typically calculated by looking at the precision and accuracy of a measurement. Precision refers to the repeatability of a measurement, while accuracy refers to how close a measurement is to the true value. Uncertainty can be estimated by considering the possible errors and variations in both precision and accuracy.

3. Why is uncertainty important in scientific measurements?

Uncertainty is important because it allows scientists to understand the limitations of their measurements and to communicate the reliability of their results. It also helps to identify areas for improvement in measurement techniques and equipment.

4. How do scientists minimize uncertainty in measurements?

Scientists minimize uncertainty by using precise and accurate measurement tools, following standardized procedures, and repeating measurements multiple times. They also account for potential sources of error and use statistical methods to estimate uncertainty.

5. Can uncertainty ever be eliminated in measurements?

No, uncertainty can never be completely eliminated in measurements. However, it can be reduced by using advanced measurement techniques and improving the precision and accuracy of measurement tools. Scientists must always consider and report the uncertainty associated with their measurements.

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