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What is the wavelength of 2.6 million Hz ultrasound as it revealed through human tissue ?

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\begin{gathered} v=343\text{ m/s}=343000\text{ mm/s} \\ f=2.6million\text{ Hz=2600000 Hz} \\ v=\lambda f \\ \text{Solving }\lambda \\ \lambda=(v)/(f)=\frac{343000\text{ mm/s}}{\text{2600000 Hz}}=0.1319\operatorname{mm} \\ \text{Then wavelength is }0.1319\operatorname{mm} \end{gathered}

What is the wavelength of 2.6 million Hz ultrasound as it revealed through human tissue-example-1
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