Understanding Types of Waves and Energy Transport

Explore the different types of waves such as transverse, longitudinal, and surface waves, along with electromagnetic waves. Learn about their properties, how they move through mediums, and their significance in various applications like sound transmission, earthquake detection, and energy transport.

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• Waves
• Energy Transport
• Transverse Waves
• Longitudinal Waves
• Electromagnetic Waves

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Uploaded on Apr 06, 2024 | 3 Views

Presentation Transcript

1. Types of Waves and Energy Types of waves Energy Transport

2. Types of waves http://www.walter-fendt.de/ph11e/stlwaves.htm http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=14.0 Transverse: Wave moves medium moves Demo Applet Longitudinal: Wave moves medium moves Demo Applet Demo

3. Demo the human wave

4. Types of waves Sound is longitudinal: Demo - speaker and battery

5. Types of waves Sound is longitudinal:

6. Types of waves Surface Wave: Longitudinal and transverse Tsunami - longitudinal wave

7. Types of waves Electromagnetic Waves - Transverse waves Require no medium - can travel through vacuum Travel at 3.00 x 108 m/s in a vacuum (else slower) Speed is independent of speed of source/observer Radio, microwave, Infrared, Light, UV, XRay, Gamma Rays are all EM waves.

8. Types of waves Mechanical (requiring a medium) Electromagnetic (need no medium) S (Shear) Earthquake waves Waves in guitar strings Surface waves on water All EM Waves: Radio, Microwave, IR, Light, UV, X- Ray, Gamma rays Transverse P (Pressure) Earthquake waves Sound waves Compression waves in a spring Surface waves on water Longitudinal

9. Types of waves Longitudinal waves can pass through fluids, Transverse cannot. Only P earthquake waves can pass straight through the earth: S wave The core of the earth is liquid (Earth is like an egg) P wave

10. Energy Transport Waves transport energy: Sun to earth Sound to microphone Earthquakes Microwaves Ocean waves Demo - speaker, concentrator