GeräteVersuche
Drehpendel (nach R. W. Pohl)
Pendel zur Untersuchung von erzwungenen und freien Schwingungen bei verschiedenen Dämpfungen.Versuchsbeispiele: Bestimmung der Frequenz einer gedämpften Schwingung Darstellung der aufeinander folg…
Artikelnr.: 11214.00
Versuch: Absorption of ultrasonic in air
Principle: Sound needs a material medium with which it can enter into reciprocal action for its propagation, whereby a loss of energy occurs. The amplitude, and so also the intensity, decreases along …
Artikelnr.: P2151400
Versuch: Acoustic Doppler effect with Cobra3
Principle: If a source of sound is in motion relative to its medium of propagation, the frequency of the waves that are emitted is displaced due to the Doppler effect.…
Artikelnr.: P2150411
Versuch: Acoustic Doppler effect with yt recorder
Principle: If a source of sound is in motion relative to its medium of propagation, the frequency of the waves that are emitted is displaced due to the Doppler effect.…
Artikelnr.: P2150401
Versuch: Chladni figures with FG-Module
Principle: To show the two-dimensional standing waves on the surface of a square or circular plate.…
Artikelnr.: P2150515
Versuch: Determination of ultrasonic velocity (sonar principle)
Principle: An ultrasonic transmitter emits sound pulses onto a reflector, from which recording of them by a receiver shows a time delay. The velocity of sound is calculated from the path length and tr…
Artikelnr.: P2152115
Versuch: Diffraction of ultrasonic waves at a pin hole and a circular obstacle
Principle: A plane ultrasonic wave is subjected to diffraction by a pin-hole obstacle and a complementary circular obstacle. The intensity distribution of the diffracted and interfering partial waves …
Artikelnr.: P2151715
Versuch: Interference by two identical ultrasonic transmitters
Principle: Ultrasonic waves of the same frequency, amplitude and direction of propagation are generated by two sources of sound positioned parallel to each other. The sources can vibrate both in-phase…
Artikelnr.: P2151915
Versuch: Interference of acoustic waves, stationary waves and diffraction at a slot with PC interface
Principle: Two acoustic sources emit waves of the same frequency and if their distance is a multiple of the wavelength, an interference structure becomes apparent in the space where the waves are s…
Artikelnr.: P2150911
Versuch: Interference of ultrasonic waves by a Lloyd mirror
Principle: A partial packet of radiation passes directly from a fixed ultrasonic transmitter to a fixed ultrasonic receiver. A further partial packet hits against a metal screen that is positioned par…
Artikelnr.: P2152000
Versuch: Optical determination of velocity of sound in liquids
Principle: A stationary ultrasonic wave in a glass cell full of liquid is traversed by a divergent beam of light. The sound wavelength can be determined from the central projection of the sound field …
Artikelnr.: P2151000
Versuch: Pendelschwingung - variables g-Pendel
Ein Pendel wird fest mit dem Bewegungsaufnehmer für Cobra3 verbunden, der wiederum and die Cobra3-Basic-Unit angeschlossen ist. Durch einfaches Drehen des Bewegungsaufnehmers lässt sich die Schwingung…
Artikelnr.: P1337700
Versuch: Phase and group velocity of ultrasonics in liquids
Principle: The sound waves transmitted to a liquid by the ultrasonic generator are picked up by a piezoelectric ultrasonic pick-up and the signal from transmitter and receiver compared on an oscillosc…
Artikelnr.: P2151100
Versuch: Resonance frequencies of Helmholtz resonators with Cobra3
Principle: Acoustic cavity resonators posses a characteristic frequency which is determined by their geometrical form. In this case the resonator is excited to vibrations in its resonance frequency by…
Artikelnr.: P2150811
Versuch: Saitenschwingung
Eine vorgespannte Saite wird zu Schwingungen angeregt. Die Schwingungen der Saite werden optisch abgetastet, der Einschwingvorgang auf dem Oszilloskop beobachtet und die Abhängigkeit der Frequenz von …
Artikelnr.: P2150100
Versuch: Schallgeschwindigkeit in Luft mit Cobra3
Die Schallgeschwindigkeit in Luft wird mittels einer Laufzeitmessung ermittelt. Dazu wird das Computerinterface Cobra3 mit einem empfindlichen Mikrofon benutzt.…
Artikelnr.: P2150311
Versuch: Stationary ultrasonic waves, determination of wavelength
Principle: An ultrasonic wave is subjected to hard surface reflection from a metal plate. The reflected wave superimposes on the incident wave, coincident in phase and amplitude, to form a standing wa…
Artikelnr.: P2151300
Versuch: Stehende Ultraschallwelle - Bestimmung der Ultraschallwellenlänge
Eine Ultraschallwelle wird von einer Metallplatte reflektiert. Die reflektierte und die einfallende Welle überlagern sich. Da beide Wellen in Amplitude und Phase übereinstimmen, bildet sich eine stehe…
Artikelnr.: P2151300
Versuch: Temperature dependence of the Velocity of sound in liquids
Principle: Sound waves are radiated into a liquid by an ultrasonic transmitter and detected with a piezoelectric transducer. The wavelength of the sound is found by comparing the phase of the detector…
Artikelnr.: P2151200
Versuch: Ultrasonic diffraction at different multiple slit systems
Principle: A plane ultrasonic wave is subjected to diffraction at various multiple slits. The intensity of the diffracted and interfering partial waves are automatically recorded using a motordriven, …
Artikelnr.: P2151615
Versuch: Ultrasonic diffraction at different single and double slit systems
Principle: A plane ultrasonic wave is subjected to diffraction at single slits of various widths and at various double slits. The intensity of the diffracted and interfering partial waves are automati…
Artikelnr.: P2151515
Versuch: Ultrasonic diffraction at Fresnel zone plate (lense) / Fresnel zone contruction
Principle: A plane ultrasonic wave strikes a Fresnel zone plate. The sound intensity is determined as a function of the distance, using an ultrasonic detector that can be moved in the direction of the…
Artikelnr.: P2151800
Versuch: Ultrasonic diffraction by a straight edge
Principle: An ultrasonic wave hits a straight edge which limits the wave field to one side. According to Huygens' principle, the edge is a point source for secondary waves, and these penetrate also in…
Artikelnr.: P2152300
Versuch: Ultrasonic Doppler effect
Principle: If a source of sound is in motion relative to its medium of propagation, the frequency of the waves that are emitted is displaced due to the Doppler effect.…
Artikelnr.: P2152415
Versuch: Ultrasonic Michelson-Interferometer
Principle: A "semi-permeable" membrane divides an ultrasonic wave into two partial packets which travel at right angles to each other. They are subsequently reflected at different hard metal reflector…
Artikelnr.: P2152200
Versuch: Velocity of sound in air with Cobra3
Principle: The speed of sound in air is determined by measurements of sound travel times. …
Artikelnr.: P2150311
Versuch: Velocity of sound using Kundt's tube with FG-Module
Principle: A metal rod is made to vibrate longitudinally by rubbing it with a cloth. The gas column in a glass tube is caused to vibrate naturally as a result of resonance, through the radiation of so…
Artikelnr.: P2150615
Versuch: Velocity of sound using Kundt's tube with vibration generator
Principle: A metal rod is made to vibrate longitudinally by rubbing it with a cloth. The gas column in a glass tube is caused to vibrate naturally as a result of resonance, through the radiation of so…
Artikelnr.: P2150601
Versuch: Vibration of strings
Principle: A tensioned metal string is made to vibrate. The vibrations of the string are optically scanned, the vibration process observed on the oscilloscope and the dependence of the frequency on th…
Artikelnr.: P2150100
Versuch: Wavelengths and frequencies with a Quincke tube with FG-Module
Principle: a sound wave of a particular frequency is divided into two coherent components (like, for example, light waves in an interferometer experiment), and if the path of one of the component wave…
Artikelnr.: P2150715
Versuch: Wavelengths and frequencies with a Quincke tube with multimeter
Principle: If a sound wave of a particular frequency is divided into two coherent components (like, for example, light waves in an interferometer experiment), and if the path of one of the component w…
Artikelnr.: P2150701