A "snapshot" of a wave at a given time is p Ay (cm) for questions 7 and 8. 7. What is the amplitude of oscillations? A. 1 cm B. 2 cm C. 4 cm D. 6 cm 8.) What is the wavelength of the wave? A. I cm B. 2 cm WHATAA C. 4 cm D. 6 cm A "snapshot" of a wave at a given time Is presented by the graph below. Use this graph for questions 9 and 10. 9.) What is the amplitude of oscillations? y (cm) A. 0.5 c B. I cm 15 C. 2 cm D. 5 cm x (cm) 10.) What is the wavelength of the wave? 10 20 A. 0.5 cm 0.5 B. 1 cm -1 C. 2 cm 1.5 D. 5 cm 11.) When an automobile moves towards a listener, the sound of its horn seems relatively pitched. A. high B. low C. medium D. normal