Critical angle (ultrasound)
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- updated 24 Jan 2024:
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Critical angle (ultrasound)
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The critical angle (θc) in ultrasonography describes the incidence angle of the sound beam which creates 'total reflection' 1. In this situation, the transmitted sound beam, will run parallel to the boundary of the second tissue without penetrating it 1.
The critical angle may be calculated by substituting the transmitted angle for 90 degrees in Snell's Law, thereby simplifying the equation to sin θc = c1/c2 1.
- +<p>The <strong>critical angle</strong> (θ<sub>c</sub>) in ultrasonography describes the incidence angle of the sound beam which creates 'total reflection' <sup>1</sup>. In this situation, the transmitted sound beam, will run parallel to the boundary of the second tissue without penetrating it <sup>1</sup>. </p><p>The critical angle may be calculated by substituting the transmitted angle for 90 degrees in <a href="/articles/refraction" title="Refraction">Snell's Law</a>, thereby simplifying the equation to sin θ<sub>c </sub>= c<sub>1</sub>/c<sub>2 </sub><sup>1</sup>.</p>
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published.
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275340.
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12dc0e8d557e958fc79b929289a4c5ce.
Published At
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2024-05-23T23:06:23.125Z.
References changed:
- 1. Jerold T. Bushberg, J. Anthony Seiberg, Edwin M. Leidholdt, Jr. et al. The Essential Physics of Medical Imaging. (2020) ISBN: 9781975103248 - <a href="http://books.google.com/books?vid=ISBN9781975103248">Google Books</a>
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Critical angle (ultrasound)
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critical-angle-ultrasound.
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