Units and Measurements

This topic covers concepts, such as Physical Quantity, Fundamental and Derived Quantities, and Physical Quantity as Ratios.

This topic covers concepts, such as System of Units, CGS System, MKS System, FPS System, SI System, Definition of S.I. Units, Plane Angle, Solid Angle, Practical Units and its Uses, Unit Relations and SI Prefixes.

This topic covers concepts, such as Measurement, Measurement of Length, Direct Method and Instruments, Measuring Instruments, Vernier Callipers, Screw Gauge, Measuring Large Distances with Indirect Method, Parallax Method, etc.

This topic covers the concept of Measurement of Masses.

This topic covers the concept of Measurement of Time.

This topic covers concepts, such as Accuracy of Measurement and Precision of Measurement.

This topic covers concepts, such as Errors in Measurements, Systematic Errors, Instrumental Errors, Zero Error, End Correction, Imperfect Experimental Techniques, Personal Errors, Random Errors, Least Count, Least Count Errors, etc.

This topic covers concepts, such as Significant Figures, Order of Magnitude, Rules for Counting Significant Figures, Rules for Mathematical Operations on Significant Figures, Calculation of Significant Figures in Addition, etc.

This topic covers concepts, such as Dimensions, Dimensions of Fundamental Quantities, Dimensional Formula of Derived Quantities, Quantities with Same Dimensions, Dimensions of Important Quantities and Homogeneity of Dimensions.

This topic covers concepts, such as Dimensional Checking of Equations, Deriving Relations Dimensionally, Conversion of Units Dimensionally and Limitations of Dimensional Analysis.