Class Science English · Part

× n = . Hz. The actual frequency of the sound is . Hz. When the source is moving away from the stationary listener, the expression for apparent frequency is . A source and listener are both moving towards each other with a speed v/ where v is the speed of sound. If the frequency of the note emitted by the source is f, what will be the frequency heard by the listener? Solution: When source and listener are both moving towards each other, the apparent frequency is . At what speed should a source of sound move away from a stationary observer so that observer finds the apparent frequency equal to half of the original frequency? Solution: When the source is moving away from the stationary listener, the expression for the apparent frequency is