Units and Measurement

Physical quantity, Units, Practical Units of Length, Mass and Time, SI Prefixes, Few Approximate Measurements, Accuracy and Precision of Instruments, Errors in Measurement, Significant Figures, Rules for Rounding off the Uncertain Digits, Dimensional Analysis, Dimensional Formula, Uses of Dimensional Analysis.

UNIT: 1
Core Concept on "UNIT and DIMENSION"

Physical quantity, Units, Practical Units of Length, Mass and Time, SI Prefixes, Few Approximate Measurements, Accuracy and Precision of Instruments, Errors in Measurement, Significant Figures, Rules for Rounding off the Uncertain Digits, Dimensional Analysis, Dimensional Formula, Uses of Dimensional Analysis.