Interference of two ultrasonic beams

VP1.7.5.2
Interference of two ultrasonic beams
Interference of two ultrasonic beams

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Description

In the experiment P1.7.5.2, two identical ultrasonic transducers are operated by a single generator. These transducers generate two coherent ultrasonic beams which interfere with each other. The interference pattern corresponds to the diffraction of flat waves at a double slit when the two transducers are operated in phase. The measured intensity is thus greatest at the diffraction angles α where

Components of equipment sets

2 416002  4  Ultrasonic transmitter LD
1 416003  4  Ultrasonic receiver LD
1 416015 AC amplifier LD
1 416014  8  Generator, 40 kHz LD
1 311902  4  Rotating platform with motor drive LD
1 524013  8  Sensor-CASSY 2 LD
1 524220  4  CASSY Lab 2 LD
1 524031 Current source box LD
1 521546  4  DC Power Supply 0...16 V/0...5 A LD
1 501031  4  Connecting lead, protected, 8 m, screened LD
1 31178  4  Tape measure 2 m / 1 mm LD
1 30001  4  Stand base, V-shaped, large LD
1 30002  4  Stand base, V-shaped, small LD
2 30011  4  Saddle base LD
1 30041  4  Stand rod, 25 cm, 12 mm Ø LD
1 30042  4  Stand rod, 47 cm, 12 mm diam. LD
1 30101  4  Leybold multiclamp LD
1 500424  8  Connecting lead 19 A, 50 cm, black LD
2 500441  4  Connecting lead 19 A, 100 cm, red LD
2 500442  4  Connecting lead 19 A, 100 cm, blue LD
1 additionally required:
PC with Windows XP/Vista/7/8/10 (x86 or x64)
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