Reading Quiz Chapter 17 Wave Optics Dr. Harold Alden Williams Reading Quiz 1. All waves spread out after passing through a small enough gap in a barrier. This phenomenon is known as A. B. C. D. antireflection double-slit interference refraction diffraction Slide 17-5 Answer 1. All waves spread out after passing through a small enough gap in a barrier. This phenomenon is known as A. B. C. D. antireflection double-slit interference refraction diffraction Slide 17-6 Reading Quiz 2. The wave model of light is needed to explain many of the phenomena discussed in this chapter. Which of the following can be understood without appealing to the wave model? A. B. C. D. single-slit diffraction thin-film interference sharp-ended shadows double-slit interference Slide 17-7 Answer 2. The wave model of light is needed to explain many of the phenomena discussed in this chapter. Which of the following can be understood without appealing to the wave model? A. B. C. D. single-slit diffraction thin-film interference sharp-ended shadows double-slit interference Slide 17-8