A hospital uses an ultrasonic scanner to locate tumours in a tissue. What is the wavelength of sound in the tissue in which the speed of sound is1.7 km s^-1 ? The operating frequency of the scanner is 4.2 MHz.
Q.15.7 A hospital uses an ultrasonic scanner to locate tumours in a tissue. What is the wavelength of sound in the tissue in which the speed of sound is ? The operating frequency of the scanner is .