Volume 51, Issue 8, November 2013
Index of content:
51(2013); http://dx.doi.org/10.1119/1.4824957View Description Hide Description
Here we describe classroom-based procedures aiming at the estimation of the speed of sound in different gas mixtures with the help of a plastic drain pipe and two iPhones or iPod touches. The procedures were conceived to be performed with simple and readily available tools.