An observer moves with speed half that of the sound away from the stationary organ producing a sound of frequency f he would probably hear a sound of frequency a.less than f b.fc.1.5fd.2.5f

An observer moves with speed half that of the sound away from the stat

1.	An observer moves with speed half that of the sound away from the stationary organ producing a sound of frequency f he would probably hear a sound of frequency a.less than f b.fc.1.5fd.2.5f
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An observer moves with speed half that of the sound away from the stationary organ producing a sound of frequency f he would probably hear a sound of frequency a.less than f b.fc.1.5fd.2.5f​

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An observer moves with speed half that of the sound away from the stationary organ producing a sound of frequency f he would probably hear a sound of frequency a.less than f b.fc.1.5fd.2.5f