Physics Laplace found that the alternate compressions and rarefactions produced in sound waves follows ________________? Options:A. isothermal lawB. adiabatic lawC. isochoric lawD. all of the aboveView AnswerB. adiabatic law Continue Reading Previous: A stationary wave is set up in the air column of a closed pipe. At the closes end of the pipe _____________________?Next: Fundamental frequency of stationary waves in open pipe is ______________ times the frequency in closed pipe?