Measurement of Sound Speed Using a Frequency Generator-assisted Resonance Tube for STEM-based Learning

Authors

  • Febrianty Nurpratiwi Universitas Pendidikan Indonesia, Indonesia
  • Hernani Hernani Universitas Pendidikan Indonesia, Indonesia
  • Eka Cahya Prima Universitas Pendidikan Indonesia, Indonesia
  • Arifin Septiyanto Universitas Pendidikan Indonesia, Indonesia

DOI:

https://doi.org/10.21831/jpms.v13i2.86417

Keywords:

Resonance tube, Sound speed, STEM

Abstract

This study investigates the measurement of the speed of sound in air using a resonance tube assisted by a smartphone-based frequency generator, designed to support STEM-based learning. The experiment follows a quantitative approach, with the length of the air column as the independent variable and the speed of sound as the dependent variable. Control frequencies of 495 Hz, 755 Hz, 1010 Hz, 1270 Hz, and 1530 Hz were generated via a mobile application. Resonance points were identified by observing the peak sound intensity using a digital sound level meter, which indicated the formation of standing waves. The results showed a strong linear relationship between wavelength (λ) and wave period (T), with regression equations λ = 347.62T + 0.0098 (open pipe) and λ = 361.59T − 0.0176 (closed pipe), each with a correlation coefficient of R = 0.99. At room temperature (24.4°C), the measured speed of sound was (347.6 ± 0.2) m/s for the open pipe and (361.6 ± 0.1) m/s for the closed pipe. These results demonstrate that low-cost, smartphone-assisted setups can produce accurate, reliable data. This method enhances student engagement and understanding of acoustic phenomena, providing an accessible and effective model for implementing hands-on STEM-based learning in physics education.

Author Biographies

Febrianty Nurpratiwi, Universitas Pendidikan Indonesia

is a Master’s student in Science Education at Universitas Pendidikan Indonesia (UPI), with research interests in STEM-based physics instruction, acoustics education, and learning technology. Contact: febriantynurpratiwi@upi.edu

Hernani Hernani, Universitas Pendidikan Indonesia

is an Associate Professor of Chemistry Education at UPI. He holds a Ph.D. from UPI and an M.Si. from Universitas Padjadjaran. His work focuses on chemistry literacy, socioscientific issues, and problem-based learning. Contact: hernani@upi.edu

Eka Cahya Prima, Universitas Pendidikan Indonesia

is an Associate Professor in Science Education at UPI. He earned his Ph.D. and M.T. in Engineering Physics from ITB. With over 120 publications (GScholar h-index: 18), his expertise includes STEM pedagogy, solar cells, and digital learning. Contact: ekacahyaprima@upi.edu

Arifin Septiyanto, Universitas Pendidikan Indonesia

completed both his B.Ed and M.Ed. in Science Education at UPI. His research explores STEM–PjBL and sustainability education, with involvement in international STEM initiatives and bibliometric studies. Contact: arifinseptiyanto@upi.edu

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Published

2025-06-21

How to Cite

Nurpratiwi, F., Hernani, H., Prima, E. C., & Septiyanto, A. (2025). Measurement of Sound Speed Using a Frequency Generator-assisted Resonance Tube for STEM-based Learning. Jurnal Pendidikan Matematika Dan Sains, 13(2), 284–295. https://doi.org/10.21831/jpms.v13i2.86417

Issue

Vol. 13 No. 2 (2025): December 2025

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