Sound WavesMedium

Question

A detector is released from rest over height h a source of sound of  frequency f0 = 103 Hz. The frequency observed by the detector at time t is plotted in the graph. The speed of sound in air is (g = 10 m/s2)

Options

A.330 m/s
B.350 m/s
C.300 m/s
D.310 m/s

Solution

f = fo ⇒ = fo
⇒ ⇒ v = 300 m/s

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