Question

A hospital uses an ultrasonic scanner to locate tumors in a tissue. What is the wavelength of ultrasound in a tissue in which
the speed of ultrasound is 320000m/s​ ? The operating
frequency of the scanner is 4x103Hz?

Answer 1

Explanation:

The wavelength can be given by

λ=

ν

c

=

4.2×10

6

1.7×10

3 =4.04×10 −4 m