3B SCIENTIFIC® PHYSICS Wellenwanne U21910

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3.3 Reflection of a linear wave at a concave mirror • Proceed as in Experiment 1.6 • Place the obstruction with a wide slit about 5 cm to 10 cm in front of the exciter and parallel to the waves • Place the biconcave body in the slit and close the slit around it with the adjustment plates (the body of the lens ought to stick up out of the water) • Make fine adjustments to the frequency and amplitude till the "focussing effect" is clearly visible 3.4 Reflection of a linear wave at a convex mirror • Proceed as in Experiment 3.3 • Replace the biconcave body with the biconvex body • Make fine adjustments to the frequency and amplitude till the "dispersing effect" is clearly visible 4. Refraction of waves 4.1 Demonstration of differing speeds of propagation in deep water and shallow water • Fill the tank with water until all immersed bodies are completely submerged (Water about 5.5-6.0 mm deep) • Alter the height of the exciter (so that it just touches the water) • Make sure everything is nicely wetted (add washing up liquid if necessary) • Immerse the rectangular block (About 5 cm from the exciter with the narrow end parallel to the waves) • Proceed as in Experiment 1.6 Result: the waves travel more slowly where the water is shallower Shallow water is a denser medium Refractive index n > 1 6
4.2 Refraction of a linear wave at a rectangular glass plate • Proceed as in Experiment 4.1 • Rotate the glass block by about 45° • Finely adjust the frequency and amplitude until refraction towards the normal is clearly visible (passage from a less dense to a more dense medium) as well as away from the normal (passage from a more dense to less) are clearly visible 4.3 Refraction of a linear wave at a convex lens • Proceed as in Experiment 4.2 • Replace the glass block with the biconvex lens (enclosed in the slit) • Adjust till the focussing of the waves is clearly seen to come to a focal point 4.4 Refraction of a circular wave at a convex lens • Attach the dipper and adjust the vibrator accordingly, moving the vibrator so the dipper strokes about 5 cm from the edge of the tank. • Finely adjust frequency and amplitude, until it is clearly visible that the circular waves become linear waves beyond the lens 4.5 Refraction of a linear wave at a concave lens • Replace the biconcave lens with a biconvex lens • Proceed as in Experiment 4.3 • Finely adjust until the dispersion is clearly visible 7
Page 1 and 2: 3B SCIENTIFIC® PHYSICS Wellenwanne
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: 2.2 Circular waves encountering a n
Page 19 and 20: 5.3 Refraction at a single slit (wi
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
Page 41 and 42: 3B SCIENTIFIC® PHYSICS Cubeta de o
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
Page 55 and 56: 2.2 Frentes de ondas circulares ant
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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