NCERT Solutions for Class 11 Physics Chapter 15 Waves
NCERT Solutions for Class 11 Physics Chapter 15 Waves Topics and Subtopics in NCERT Solutions for Class 11 Physics Chapter 15 Waves : Section Name Topic Name 15 Waves 15.1 Introduction 15.2 Transverse and longitudinal waves 15.3 Displacement relation in a progressive wave 15.4 The speed of a travelling wave 15.5 The principle of superposition of waves 15.6 Reflection of waves 15.7 Beats 15.8 Doppler effect QUESTIONS FROM TEXTBOOK Question 15. 1. A string of mass 2.50 kg is under a tension of 200 N. The length of the stretched string is 20.0 m. If the transverse jerk is struck at one end of the string, how long does the disturbance take to reach the other end? Answer: Question 15. 2. A stone dropped from the top of a tower of height 300 m high splashes into the water of a pond near the base of the tower. When is the splash heard at the top given that the speed of sound in air is 340 ms -1 ? (g = 9.8 ms -2 ) Answer: Here, h = 300 m, g = 9.8 ms -2 and velocity...