Tag - perceived frequency

Doppler Effect

subway passing
The Doppler Effect occurs when an observer hears a sound from a moving source. If the sound source is moving toward the observer, the perceived frequency will be higher than the actual sound frequency. If the source is moving away from the observer, the perceived frequency will be lower.

Required Equipment
Doppler Ball, and String

Download Teacher Notes and Student Worksheets

Doppler Ball

In Stock SKU: P7-7120
$15.00

Roll of String

In Stock SKU: PX-2134
$3.90
Read more...