Homework Wednesday, April 10, 2019 A-Day Study WOW

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Homework Wednesday, April 10, 2019 A-Day Study WOW Objective: YWBAT describe reflection, refraction, diffraction, and interference. Drill: Explain how two waves can cancel each other out. Homework Study WOW

Answer When two waves with the same amplitude overlap so that the crests of one wave overlap the troughs of the other, they cancel each other out through destructive interference. This results in a flat wave.

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Conclusion Answer Refraction occurs when a wave enters a new medium at an angle because the wave speed changes.