20. [0/2 Points] DETAILS PREVIOUS ANSWERS OBINPHY58 6.P.016. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Ultrasound probes can resolve structural details with sizes approximately equal to the wavelength of the ultrasound waves themselves. What is the size of the smallest feature observable in human tissue when examined with 14-MHz ultrasound? The speed of sound in human tissue is 1,540 m/s. 0.09 X m Need Help? 21 . [0/2 Points] DETAILS PREVIOUS ANSWERS OBINPHY58 6.P.022. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A sound pulse emitted underwater reflects off a school of fish and is detected at the same place 0.13 5 later (see the gure below). How far away are the sh? (Assume the water temperature is 20C.) xm Need Help