APPLICATION OF SOUND VELOCITY DETERMINATION IN SOLIDS FOR TEACHING PHYSICS IN UNIVERSITIES
Abstract
The article gives an example of the experience of determining the speed of sound in solids. To do this, the propagation time t of the ultrasonic signal with a frequency of 1 MHz is first measured through three polyacrylic cylinders of different lengths S. the Values are plotted in the coordinate system S-t. The travel time is reduced by placing a thin plane-parallel plate of polyacrylic or aluminum in the path of the wave. This is because sound travels faster in the plate material than in water.
About the Authors
N. A. Sandibaeva
Kazakh National Women's Teacher Training University
Kazakhstan
Kazakhstan
Cand.Sci. (Pedagogy), acting associate Professor
Almaty
V. V. Pak
Tomsk State University
Russian Federation
Russian Federation
Associate Professor of General and experimental physics
Tomsk
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Review
For citations:
Sandibaeva N.A., Pak V.V. APPLICATION OF SOUND VELOCITY DETERMINATION IN SOLIDS FOR TEACHING PHYSICS IN UNIVERSITIES. Bulletin of Kazakh National Women's Teacher Training University. 2019;(4):80-86. (In Russ.)
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