NCERT Solutions for Class 11 Physics Chapter 2 Units and Measurements
NCERT Solutions for Class 11 Physics Chapter 2 Units and Measurements Topics and Subtopics in NCERT Solutions for Class 11 Physics Chapter 2 Units and Measurements : Section Name Topic Name 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 formulae and dimensional equations 2.10 Dimensional analysis and its applications QUESTIONS FROM TEXTBOOK Question 2. 1. Fill in the blanks (a) The volume of a cube of side 1 cm is equal to…………m 3 . (b) The surface area of a solid cylinder of radius 2.0 cm and height 10.0 cm is equal to ……..(mm) 2 . (c) A vehicle moving with a speed of 18 km h -1 covers ………. m in 1 s. (d) The relative density of lead is 11.3. Its density is …….. g cm -3 or ………. kg m -3 . Answer: (a) Volume of cube, V = (1 cm) 3 ...