**Chapter 1: Physical Quantities and Measurement (37 videos)**

**1.1: Introduction to Physics**

**1.2: 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**

**1.5: 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**