Question regarding Wave Motion /Doppler Effect
Dear student
Ultrasonic beep frequency emitted by the bat, ν = 40 kHz
Velocity of the bat, vb = 0.03 v
Where, v = velocity of sound in air
The apparent frequency of the sound striking the wall is given as:
This frequency is reflected by the stationary wall (
) toward the bat.
The frequency (
) of the received sound is given by the relation:
Regards