Abstract
IN a recent communication1 in Nature, we confirmed a new method developed in this Laboratory for the determination of ultrasonic absorption (α) in liquids. Subsequent work2 has shown that the quantities of energy absorbed in cells, of small lengths, placed in the path of the sound beam with their incident faces occupying identical places, are in the proportion of their lengths. Utilizing this idea, we have evolved yet another technique for the measurement of α in liquids.
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References
Parthasarathy, S., Pancholy, M., and Tipnis, C. B., Nature, 176, 611 (1955); other relevant references are given there.
Parthasarathy, S., Pancholy, M., and Mathur, S. S., Ann. der Phys. (in the press).
Markham, J. J., Beyer, R. T., and Lindsay, R. B., Rev. Mod. Phys., 23, 353 (1951). Sette, D., Il Nuovo Cimento, 6, 1 (1949). Bergmann, L., “Der Ultraschall” (1954).
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PARTHASARATHY, S., MATHUR, S. Ultrasonic Absorption in Liquids from Thermal Steady States. Nature 178, 378–379 (1956). https://doi.org/10.1038/178378a0
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DOI: https://doi.org/10.1038/178378a0
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