Echo of sound wave is due toSelect an answerArefractionBreflectionCdiffractionDNone of these

Name the waves used for echo depth sounding

Menu10 of 30MULTIPLE CHOICEFINISH QUIZAn echo is a _________ of a sound wave?ArefractionBreflectionCabsorbsionDtraverse

To hear a distinct echo, time interval between original sound and reflected sound must beSelect an answerA0.2 secB1 secC0.1 secD2 sec

Which type of wave is sound?Select an answerAElectromagnetic waveBTransverse waveCLongitudinal waveDNone of the above

Which form of attenuation is due to the sound wave not continuing on the path that the ultrasound unit thinks it's going? Amplitude Absorption Reflection Refraction