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Direct linkMayer, V. V.; Varaksina, E. I. – Physics Education, 2020
To study the absorption of ultrasound in plexiglas we propose to use gadgets that are available to each student: an ultrasound humidifier, a liquid crystal display of a pad, a polaroid analyzer, a digital camera, a multimeter with thermocouple, and a stopwatch. These devices allow us to visualize a region in plexiglas where ultrasound is absorbed…
Descriptors: Science Instruction, Physics, Science Laboratories, Scientific Concepts
