14.3 Wave Interactions • Reflection – Waves bounce back when they meet a surface or boundary – At a boundary free to move, the wave reflects in same shape. – At a boundary that doesn’t move (fixed), the wave is inverted. – This is what happens for mirrors (light) and echoes (sound)
14.3 W ave Interactions. Reflection Waves bounce back when they meet a surface or boundary At a boundary free to move, the wave reflects in same shape. At a boundary that doesn’t move (fixed), the wave is inverted. This is what happens for mirrors (light) and echoes (sound). - PowerPoint PPT Presentation
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14.3 Wave Interactions• Reflection–Waves bounce back when they meet a
surface or boundary – At a boundary free to move, the wave
reflects in same shape.– At a boundary that doesn’t move (fixed),
the wave is inverted.– This is what happens for mirrors (light)