In: Physics
To solve this problem you have to know about Error in physic
Step 1.
Definition: The measurement error is defined as the difference between the measured value and the true value . Affect any instrument and may be due to various causes. Which can somehow predict, calculate, removed by calibrations and compensations are called deterministic or systematic and relate to the accuracy of the measurements. Which can not be predicted because they depend on unknown causes, or stochastic are called random and are related to the accuracy of the instrument.
As stated earlier, we calculate the uncertainty of an experimental result in order to allow a meaningful evaluation of the agreement of that experimental result with an “accepted” value established by existing theory, or with the results of other experiments. We usually do this by comparing the % uncertainty of the experimental result either to the % error for that result, or to the % difference between the results of two or more different experiments. If a theoretically accepted value for the experimentally measured quantity is available, we compute the % error for our measured value, by taking the difference between the experimental value and the accepted value, dividing by the accepted value, and multiplying by 100.
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Step 2.
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