Doppler Effect (Grades 11-12)
Instructions: Read each question carefully. Choose the answer that best fits the question. Short answer response questions must be responded to in complete sentences. If the question involves calculations, you must show all your math work.
- if the distance between source and observer increases, the waves must spread out
- if the distance between source and observer decreases, the waves must be compressed
- the same number of waves must fit between the source and the observer
- All of the above are correct.