Question

The shortest wave length of the ultrasonic waves that a bat emits is 1.2 mm. What is the frequency of these waves? (given the speed of sound in room temperature in air = 344 m/s

Answer 1

Use the wave speed formula\[v=f \lambda\]
\[f=v/\lambda=(344 m/s)/(.0012 m)=287 kHz\]