Oh, ultrasound
here is tutorial with this material:
https://www.cis.rit.edu/research/ultrasound/ultrasoundintro/ultraintro.html
If an ultrasound beam at the focal zone has a power of 0.050 watts and the area at this focal zone is 4cm^2, what is the intensity of the beam?
2 answers
Yes, all my questions are for ultrasound physics. I should've mentioned that, sorry. Thanks for the help