Wave experiments using low-cost 40 kHz ultrasonic transducers

Mak Se-yuen
2003 Physics Education  
In this article, we describe how 40 kHz piezoelectric ultrasound transducers can be used to study wave phenomena. Hints for general usage and tips for individual experiments are suggested. Easily reproducible sample results for quantitative measurements are quoted for readers' reference.
doi:10.1088/0031-9120/38/5/310 fatcat:l45nuevv3va3bezlivguf4tize