The units cancel when dividing grams by grams !ChiralWaltz said:Homework Statement
Calculate the relative uncertainty in the mass
mass (M) = 1.0 grams
Homework Equations
[itex] \frac{\delta M}{M}[/itex]
The Attempt at a Solution
[tex]\delta M = \pm0.05g[/tex]
[tex]\frac {0.05g}{1.0g} = 0.05g[/tex]
or
[tex]\frac {0.05g}{1.0g} = 0.050g[/tex]
Which one has the appropriate amount of sig figs?
thanks for your help :)
Relative uncertainty is a measure of the potential error in a measurement or calculation. It is important in a lab setting because it allows scientists to assess the precision and accuracy of their data and results.
Relative uncertainty is calculated by dividing the absolute uncertainty by the measured value and multiplying by 100. The resulting value is expressed as a percentage.
No, relative uncertainty cannot be negative. It is always expressed as a positive value, representing the potential error in a measurement.
The number of significant figures used in calculating relative uncertainty should match the number of significant figures in the measured value. This ensures that the relative uncertainty is expressed with the appropriate precision.
Absolute uncertainty is a measure of the actual error in a measurement, while relative uncertainty is a measure of the potential error relative to the measured value. Absolute uncertainty is expressed in the same units as the measured value, while relative uncertainty is expressed as a percentage.