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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > S,O and W represent source of sound (of frequency f), observer and wall, respectively. V0, Vs, VD, V are velocity of observer, source, wall and sound ( in still air ) respectively.

S,O and W represent source of sound (of frequency f), observer and wall, respectively. V0, Vs, VD, V are velocity of observer, source, wall and sound ( in still air ) respectively.

O and W represent source of sound (of frequency f) observer and wall respectively. V0 S source V are velocity of observer VD Vs wall and sound ( in still air ) respectively.