WaveSpeedInterference2.67m/sMediumCrestWavelength1.4m/sFrequencySurfaceWaveAmplitudeVelocityDopplerEffectPitchLongitudinalWaveCompress-ionTransverseWaveReflectionTroughEchoEnergyDiffractionDestructiveInterferenceRefractionConstructiveInterferenceWaveSpeedInterference2.67m/sMediumCrestWavelength1.4m/sFrequencySurfaceWaveAmplitudeVelocityDopplerEffectPitchLongitudinalWaveCompress-ionTransverseWaveReflectionTroughEchoEnergyDiffractionDestructiveInterferenceRefractionConstructiveInterference