# Physics – Physical Quantities and Measurement

**Chapter 1: Physical Quantities and Measurement **

**1.1: Introduction to Physics**

- Introduction to Physics
- Branches of Physics
- More on Branches of Physics

**1.2: Physical Quantities**

- Physical Quantities
- Problem on Physical Quantities

**1.3: International System of Units**

- International Systems of Base Units
- Standard of length-metre
- Standard of Time-Second
- Standard of Mass-Kilogram

**1.4: Prefixes**

- Introduction to Prefixes
- Problem on Introduction to Prefixes

**1.5: Scientific Notation**

- Scientific Notation
- Problem on Scientific Notation

**1.6: Measuring Instruments**

- Measuring with Meter Rule and Measuring Tape
- Introduction to Vernier Calipers
- Measuring with Vernier Calipers
- problem on Measuring with Vernier Calipers
- Introduction to Screw Gauge
- Measuring with Screw Gauge
- Mass measuring by Physical Balance
- Problem on Measuring with Screw Gauge
- Mass measuring by Lever Balance
- Electronic Balance
- Measuring Time by Stopwatch
- Measuring Volume by Cylinder
- Measuring Volume of Irregular Shaped Solid

**1.7: Significant Figures**

- Introduction to Significant Figures
- Problem on Introduction to Significant Figures
- Rules to find the Significant Digits in a measurement
- Zero as significant figure
- Problem on Rules to Find the Significant Digits in a Measurement
- Addition and Subtraction of Significant figures
- Multiplication and Division with Significant figures
- Rounding Off the numbers
- Laboratory Safety
- Problem on Multiplication and Division with Significant Figures
- Problem on Rounding Off the Numbers