CBSE Class 11-science Physics Units and Measurement
Measurement and Error Analysis
True value is the mean of all the observed readings.
Absolute error is the magnitude of the difference between the individual measured value and the true value.
The relative error is the ratio of mean absolute error to the mean true value.
Significant Figures and Dimensions
Dimensional formula: Expression representing the physical quantity in terms of related base quantities.
Uses of Dimensional analysis to check the dimensional consistency of equations and to deduce relations among the physical quantities.
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