Ultrasounds are high-frequency waves, which enable them to maintain their directional integrity and travel along well-defined paths, even when encountering obstacles.
What is the characteristic feature of ultrasounds that allows them to travel along well-defined paths, even in the presence of obstacles?
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The characteristic feature of ultrasounds enabling them to travel along well-defined paths, even in the presence of obstacles, is their ability to undergo diffraction. Unlike visible light, which disperses when encountering obstacles, ultrasonic waves diffract around obstacles due to their longer wavelengths. This property allows them to maintain coherence and propagate along predictable paths, making them useful for navigation, sensing, and imaging applications.