Abstract
OF the various methods of determining surface tension of liquids, the method of ripples is free from all surface influences. Lord Rayleigh, Dorsey, Grünmach, Kalähne and others have determined the surface tension of water by this method. Grünmach applied the same method in determining the surface tension of some of the molten metals; but the main difficulty was that of observing the ripples properly to measure the wave lengths exactly, and the accurate estimation of the vibration frequency of the exciting fork. Unless the stroboscopic arrangement is perfect, there is always an uncertainty in the determination of accurately, and as 3 is to be taken in the calculation, a slight variation in the value of affects the final value.
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GHOSH, P., BANERJI, D. A Stroboscopic Method of Determining Surface Tension of Liquids. Nature 115, 230 (1925). https://doi.org/10.1038/115230b0
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DOI: https://doi.org/10.1038/115230b0
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