Doppler effect

Is there a Doppler effect in the case of sound when the observer or the source moves at right angles to the line joining them? How then can we determine the Doppler effect when the motion has a component at right angles to this line?

Dopplers Effect

The Doppler's effect is applicable for

Doppler's effect is due to

The Doppler's effect is not applicable

The Doppler's effect is not applicable

Doppler's effect in sound is due to

Name any three application of Doppler's effect ?