030. Optics and Wave Phenomena (Doppler effect)
You should know about
The observed frequency is given by
- : emitted frequency
- : propagation speed of waves in the medium
- : speed of the receiver relative to the medium, added if the receiver is moving towards the source, subtracted if the receiver is moving away from the source
- : speed of the source relative to the medium, added if the source is moving away from the receiver, subtracted if the source is moving towards the receiver.
(E) 612 Hz