What is the depth of reflector in soft tissue if the time of flight is 78 microsecs

  What is the primary effect of increasing the frequency of an ultrasound wave on tissue penetration? A. Decreases penetration and improves resolution B. Increases penetration and decreases resolution C. Increases both penetration and resolution D. Decreases both penetration and resolution

What is IRC if an intensity of 60mw/cm^2 is totally reflected at a boundary? What is ITC?

The shadowing below(distal to) the  the echogenic stones in the image demonstrates all EXCEPT

What  is false about specular reflection

Which has the highest PRF a) 5sec b) 80 millisecs c) 5millisecs d) 400 ks

What is the PRF in soft tissue, if depth is 10cm?

What is the decibel change if a signal strength is increased by a factor of 100

What is the Half Value Layer of a probe in soft tissue, if there is an attenuation of intensity of 3dB after 4cm

As bulk modulus increases