Doppler effect worksheet

When an automobile moves toward a listener the sound of its horn seems relatively

High pitched

When the automobile moves away from the listener it's horn seems

Low pitched

The change pitch of the Doppler effect is due to the changes in

Wave frequency

Doppler effect that is truev

It occurs when a wave source moves towards a observer it occurs when a wave source moves away source moves away from a wave source

A moving wave source dose not affect the frequency of the wave encounters by the observer

False

A higher frequency results when a wave source moves toward an observer

True

Which truck produces a higher than normal siren frequency

The left one

Which truck produces a lower than normal frequency

The right one