Waves Please use Microsoft Powerpoint, and only Microsoft Powerpoint 2013 or later. Thank you! ?#? TABLE OF CONTENTS Wavelength Crest Trough High Frequency vs. Low Frequency Transverse Wave Longitudinal Wave Reflection Refraction Diffraction Constructive Interference Destructive Interference Incident & Reflected Wave WAVELENGTH The wavelength of a wave is the the distance between two crests or two troughs. Table of Contents CREST The highest point the particles of a medium move away from their resting position is the crest of a transverse wave. Table of Contents TROUGH The trough of a transverse wave is the lowest point the particles of a wave?s medium move downward from their resting position. Table of Contents HIGH FREQUENCY VS. LOW FREQUENCY