3B SCIENTIFIC® PHYSICS Wellenwanne U21910

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4.6 Refraction of a linear wave at a combination of lenses • Place the biconvex lens in front of the biconcave lens • Proceed as in Experiment 4.3 • Finely adjust until it can clearly be seen that linear wavefronts are once more visible beyond the second lens 4.7 Refraction of a linear wave at a prism • Replace the lenses with prisms (as in the photographs) • Proceed as in preceding experiments • Changes in the direction of propagation of the wavefronts should be clearly visible • Close observation should reveal that all the wave properties of reflection, refraction and also Huygen's principle can be made apparent 5. Refraction of linear waves 5.1 Refraction at an edge • Place the glass block right in front of the exciter (see photograph) • Finely adjust frequency and amplitude until the propagation in the obstructed region is clearly visible (refraction refers to divergence from linear propagation) 5.2 Refraction at a single slit (wavelengths greater than/smaller than the width of the slit) • Place the obstruction with the wide slit parallel in front of the linear exciter • Use the wide slit adjusters to set a width between 1 and 2 cm • Make fine adjustments till the resulting waves are clearly visible (showing propagation in the obstructed region) 8
5.3 Refraction at a single slit (width approx. 10 cm) • Proceed as in Experiment 5.2 • Set a slit width of about 10 cm • Make fine adjustments till refraction is visible at both edges of the slit 5.4 Refraction at an obstruction (Width approx. 10 cm) • Place the rectangular parallel to the linear exciter • Make fine adjustments till refraction (and superpositioning) is visible 6. Superposition of coherent waves 6.1 Superposition of multiple circular waves • Attach two dippers to the linear exciter • Move the vibrator so the dippers are in the centre of the tank • Observe how the ripples superposition for two different dipper settings • Add a third dipper to see how three circular ripples superposition 6.2 Interference from a double slit and a triple slit • Let the linear exciter operate at the edge of the tank • Place the obstruction with four slits parallel to the exciter • Close off the outer slits using the adjustment sliders • Adjust the frequency so the wavelength is greater than the width of the slits • Finely adjust frequency and amplitude until the wave superpositioning is clearly visible 9
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Page 3 and 4: Experimente 1. Wellenerzeugung 1.1
Page 5 and 6: 2.2 Kreisförmige Wellenfronten tre
Page 7 and 8: 4.2 Brechung einer linearen Welle
Page 9 and 10: 5.3 Beugung am Einzelspalt (Spaltbr
Page 11 and 12: 3B SCIENTIFIC® PHYSICS Ripple tank
Page 13 and 14: Experiments 1. Generation of waves
Page 15 and 16: 2.2 Circular waves encountering a n
Page 17: 4.2 Refraction of a linear wave at
Page 21 and 22: 3B SCIENTIFIC® PHYSICS Cuve à ond
Page 23 and 24: Expériences 1.1 Génération d'une
Page 25 and 26: 2.2 Des fronts d'ondes circulaires
Page 27 and 28: 4.2 Réfraction d'une onde linéair
Page 29 and 30: 5.3 Diffraction sur une fente indiv
Page 31 and 32: 3B SCIENTIFIC® PHYSICS Vasca per o
Page 33 and 34: Esperimenti 1. Generazione di onde
Page 35 and 36: 2.2 Fronti d'onda sferici si arrest
Page 37 and 38: 4.2 Rifrazione di un'onda lineare a
Page 39 and 40: 5.3 Diffrazione su fenditura singol
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Page 43 and 44: Experimentos 1. Generación de onda
Page 45 and 46: 2.2 Frentes de ondas circulares ant
Page 47 and 48: 4.2 Refracción de una onda lineal
Page 49 and 50: 5.3 Difracción en la ranura indivi
Page 51 and 52: 3B SCIENTIFIC® PHYSICS Cubeta de o
Page 53 and 54: Experimentos 1. Generación de onda
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Page 57 and 58: 4.2 Refracción de una onda lineal
Page 59 and 60: 5.3 Difracción en la ranura indivi

3B SCIENTIFIC® PHYSICS Wellenwanne U21910

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