Sonar and seismic waves

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Description

Before watching this video, please ensure that you have understood the concepts covered in Topic 5 (Waves in matter), particularly those in the Sound waves and Ultrasound videos.

In this video, we’ll discuss the properties of two different types of longitudinal waves – sound waves and seismic waves – and some of the fascinating ways in which they’re used.

Please note that this is a higher tier-only video.

Key Words

reflection, echolocation, absorb, medium, transmit, media, reflect, material, absorption, earthquake, transmission, P-wave, interface, S-wave, wave, refract, transducer, normal, refraction, ultrasonic, velocity, ultrasound, longitudinal, sonar