A hospital uses ultrasonic scanner to locate tumors ina tissue. what is wavelength of sound in a tissue in which the speed of sound is 1.7 km/s. the operating frequency of the scanner is 4.2 MHZ.
Velocity = 1700 m/s
Frequecny = 4200000 Hz
Wavelength = V / F
= 1700 / 4200000 = 0.0004047619 metres