Does the change in frequency due to Doppler effect depend on (i) distance between source and observer? (ii) the fact that source is moving towards observer or observer is moving towards the source?

Does the change in frequency due to Doppler's effects depends on the distance between the source and the listner?

When the light source is moving towards an observer,

When the light source is moving towards an observer,

(a) Does the change in frequency due to Doppler effect depend on the distance between source (b)Does the change in frequency due to Doppler effect on the fact that source is moving towards the observer or observer is moving towards the source ?

(a) Does the change in frequency due to Doppler effect depend on the distance between source (b)Does the change in frequency due to Doppler effect on the fact that source is moving towards the observer or observer is moving towards the source ?

Doppler's effect is due to ____ motion between the source and observer.

A source of sound moves towards an observer

A source of sound moves towards an observer

A source of sound moves towards an observe.