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This experiment measured the speed of sound in tap water and salt water by varying the distance between an ultrasound transmitter and receiver and counting the number of wavelengths traveled. The speed of sound was estimated to be 1311 ± 87 m/s in tap water and 1749 ± 25 m/s in salt water, which is faster due to salt impurities increasing the bulk modulus of water. Sources of error included the purity of the water, measurement inaccuracies, and reflections at the glass cell interface.

Author

bigevil

Language

EN