Abstract
FOR extended solids, the ultrasonic frequencies to be used for any reasonable propagation of the waves through them must be low, say, 500 kilocycles and less, for the vibrations of higher frequencies will be excessively damped. For determination of velocities at higher frequencies, a method based on the Debye–Sears ultrasonic diffraction of light has already been indicated1, and in the following we will describe the method found for the lower frequencies.
Similar content being viewed by others
Article PDF
References
Parshad, R., Curr. Sci., 13, 14 (1944).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
PARSHAD, R. Measurement of Ultrasonic Velocities in Extended Solids. Nature 156, 637 (1945). https://doi.org/10.1038/156637a0
Issue Date:
DOI: https://doi.org/10.1038/156637a0
This article is cited by
-
Determination of Transverse Wave Velocities in Solids
Nature (1946)
Comments
By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.