P1.7.3.3 Determining the Velocity of Sound in Air as a Function of the Temperature

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Determining the Velocity of Sound in Air as a Function of the Temperature

The experiment P1.7.3.3 measures the velocity of sound in the air as a function of the temperature ϑ and compares it with the linear function resulting from the temperature-dependency of pressure and density The value c(0) determined using a best-fit straight line and the literature values p(0) and ρ(0) are used to determine the adiabatic coefficient κ of air according to the formula

COMPONENTS OF EQUIPMENT SETS:

 

1 413 60 Apparatus for sound velocity
1 516 249 Stand for tubes and coils
1 587 07 Tweeter
1 586 26 Multi-purpose microphone
1 524 013 Sensor-CASSY 2
1 524 220 CASSY Lab 2
1 524 034 Timer box
1 524 0673 NiCr-Ni adapter S, type K
1 529 676 Temperature probe, NiCr-Ni, 1.5 mm, type K
1 521 25 Transformer 2...12 V, 120 W
2 300 11 Saddle base
1 460 97 Metal rule, 0.5 m
1 501 44 Connecting leads, 19 A, 25 cm, red/blue, pair
2 501 46 Connecting leads, 19 A, 100 cm, red/blue, pair
1 additionally required:
PC with Windows XP/Vista/7/8/10 (x86 or x64)

EXPERIMENT INSTRUCTIONS PLEASE CLICK HERE