The table shows the speed of ultrasound waves in different tissues in the human body.


Tissue

Speed


(m/s)


Air 330

Fat 1,450

Water 1,480

Liver 1,550

Kidney 1,560

Blood 1,570

Muscle 1,580

Bone 4,080

What happens to an ultrasound wave that moves from muscle to bone?


(1 point)


The frequency of the wave decreases.



The frequency of the wave increases.



The wavelength of the wave decreases.



The wavelength of the wave increases