Effect of Light on the Surface Tension of Boys's Soap Solution

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IN his letter in NATURE,1 Dr. P. Lecomte du Noüy says : “As the concentration of the soap solution + glycerin which he [L. D. Mahajan 2] uses is not stated, but may be as high as 2.5 per cent—which should give a very small drop—it is indeed quite possible that illumination plays a part in this case”.

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  1. 1

    P. L. du Noüy, NATURE, Oct. 17, 1931, p. 674.

  2. 2

    L. D. Mahajan, NATURE, Sept. 19, 1931, p. 496.

  3. 3

    L. D. Mahajan, Indian J. Phys., Calcutta, vol. 6, part ii., pp. 147–153.

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MAHAJAN, L. Effect of Light on the Surface Tension of Boys's Soap Solution. Nature 129, 133 (1932) doi:10.1038/129133b0

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