A tuning fork of a frequancy 220Hz producess sound wave of wavelength is 1.5m in air at STP. Calculate the increases in wavelength, when temp. Of air is 27c
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Given:
Frequency f = 220 Hz
Speed of sound in air c ≈ 331 + 0.6×T = 331 + 0.6×27 = 347.2 m/s.
Initial wavelength λ = 1.5 m.
Wavelength λ = c / f = 347.2 / 220 = 1.578 m at 27°C.
I hope it helps. ...
Frequency f = 220 Hz
Speed of sound in air c ≈ 331 + 0.6×T = 331 + 0.6×27 = 347.2 m/s.
Initial wavelength λ = 1.5 m.
Wavelength λ = c / f = 347.2 / 220 = 1.578 m at 27°C.
I hope it helps. ...
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