Coherence Subscribe to unlock Gain access to Animated Cartoons, Summary Posters and Problems Solved in front of you throughout the school year, until the end of your exam, from as little as $5.50 per week! Join now or Log in Waves Introduction to Waves Types of Waves A Types of Waves B Pulses and Continuous Waves A Mathematical Model far a Wave When Waves Meet Coherence Huygens’ Principle Diffraction Interference