The property of ultrasound that makes it useful is its high ____.
State two properties of ultrasound that make it useful to us.
The properties of ultrasound that make it useful, are :
(a) high power and high speed
(b) high power and good directivity
(c) high frequency and high speed
(d) high frequency and bending around the objects.
Ultrasounds are high frequency waves. They can travel along a well-defined path even in the presence of an obstacle.
The property of an ultrasound cannot be used in