1. [SOLVED] Physics - Wavelength(Gr11)

What is the wavelength of 2.5 million Hz ultrasound as it travels through human tissue?

wave speed through human tissue: 1540m/s

thanks

2. Originally Posted by rock candy
What is the wavelength of 2.5 million Hz ultrasound as it travels through human tissue?

wave speed through human tissue: 1540m/s

thanks
$v = \nu \lambda \Rightarrow \lambda = \frac{v}{\nu}$.

Substitute $\nu = 2,500,000$ Hz and $v = 1540$ m/s. I get 0.616 mm.

3. Originally Posted by mr fantastic
$v = \nu \lambda \Rightarrow \lambda = \frac{v}{\nu}$.

Substitute $\nu = 2,500,000$ Hz and $v = 1540$ m/s. I get 0.616 mm.
thats what i got... but the answer is 0.44.. i guess the answers wrong