Introducing the Doppler Effect
{"Image DocumentName": "Introducing the Doppler Effect", "Image ImageDescription": "The train has a higher pitch whistle when approaching you. The train has a lower pitch when moving away from you. This Doppler Effect is caused by compression or stretching of sound waves. The same phenomenon occurs with light, only the object must be moving very fast to detect it.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}