Operating frequency of the scanner, \(v=4.2\, MHz =4.2 \times 10^{6} \,Hz\)
The wavelength of sound in the tissue is given as
\(\lambda=\frac{v}{v}\)
\(=\frac{1.7 \times 10^{3}}{4.2 \times 10^{6}}=4.1 \times 10^{-4} \;m\)
(તારનો યંગ મોડ્યુલસ $Y =9 \times 10^{10}\, Nm ^{-2}$ )