Units & Measurements

2.1 Introduction
2.2 The international system of
units
2.3 Measurement of length
2.4 Measurement of mass
2.5 Measurement of time
2.6 Accuracy, precision of
instruments and errors in
measurement
2.7 Significant figures
2.8 Dimensions of physical
quantities
2.9 Dimensional formulae and
dimensional equations
2.10 Dimensional analysis and its
applications