It should be verified, how the frequency measured from the stationary microphone changes, when a constant frequency fed loudspeaker is moved slowly towards or away from the microphone. Here, the frequency should be represented as a function of the speed of the sound source. For the quantitative examination of the results, the speed of sound is measured from the slope of the line and compared to the theoretical value.
| Materiallist (Excerpt) |
Product |
Amount |
|
Cobra3 BASIC-UNIT, USB
|
12150-50
|
1
|
|
Digital Function Generator, USB, incl. Cobra4 Software
|
13654-99
|
1
|
|
Car, motor driven
|
11061-00
|
1
|
|
Measuring microphone w.amplifier
|
03543-00
|
1
|
|
Loudspeaker/Sound head
|
03524-00
|
1
|
|
Light barrier, compact
|
11207-20
|
1
|
|
Track, l 900 mm
|
11606-00
|
1
|
|
Power supply 12V / 2A
|
12151-99
|
1
|
|
Barrel base PHYWE
|
02006-55
|
2
|
|
Software Cobra3 Timer/Counter
|
14511-61
|
1
|
|
Stand tube
|
02060-00
|
1
|
|
Support
|
09906-00
|
1
|
|
Holder for two electrodes
|
45284-01
|
1
|
|
Attachment for car
|
11061-02
|
1
|
|
Data cable, plug/ socket, 9 pole
|
14602-00
|
1
|
|
Support rod, stainless steel, l = 600 mm, d = 10 mm
|
02037-00
|
1
|
|
Boss head
|
02043-00
|
1
|
|
Screen with plug, l 100 mm
|
11202-03
|
1
|
|
Plug with socket and crosshole, 2
|
07206-01
|
1
|
|
Connecting cord, 32 A, 1000 mm, red
|
07363-01
|
2
|
|
Connecting cord, 32 A, 1000 mm, blue
|
07363-04
|
1
|
|
Connecting cord, 32 A, 1000 mm, yellow
|
07363-02
|
1
|
|
Connecting cord, 100 mm, red
|
07359-01
|
1
|
|
Connecting cord, 32 A, 250 mm, red
|
07360-01
|
1
|
|
Connecting cord, 32 A, 250 mm, blue
|
07360-04
|
1
|
|
Flat cell battery, 9 V
|
07496-10
|
1
|
|
Battery cell, 1.5 V, baby size, type C
|
07922-01
|
2
|
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