Speed of sound,
v
v = k
k = 343 / = 20.038
Speed of sound at 30 oC, v' = 20.038 *
v' = 348.8 m/s
We know that, v = f
= 343 / 466 = 0.736 m
New frequency,
f' = v' /
f' = 348.8 / 0.736
f' = 473.8 Hz
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