CLASS 11 PHYSICS NCERT    Chapter 1 : Physical world  1.1 What is Physics  1.2 Scope and excitement of Physics  1.3 Physics, technology and Society  1.4 Fundamental forces in nature  1.5 Nature of physical laws    Chapter 2: Units and 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 formula and dimensional equations  2.10 Dimensional analysis and its applications    Chapter 3: Motion in a straight line 3.1...