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Understanding Wave Motion and Interference in Physics

Explore wave equations, dispersion relations, reflection, transmission, superposition, reflection laws, and interference of waves in this comprehensive guide. Learn how standing waves and resonant frequencies are derived and observed in different scenarios.

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Understanding Wave Motion and Interference in Physics

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Presentation Transcript

  1. Chapter 15: Wave motion

  2. Wave equation Dispersion relation

  3. The principle of superposition General case Making a square wave At t=0 we have End of rope is fixed

  4. Reflection and Transmission Wave pulse reaches a discontinuity Wave pulse is partly reflected and transmitted End of rope is fixed End of rope is free

  5. Two waves pulses pass each other constructive destructive

  6. Interference of Waves Constructive Destructive Light plus light gives darkness when Φ=180

  7. Two waves interfere partially destructively destructively constructively

  8. Standing Waves The frequency at which standing waves are produced are the natural frequencies or resonant frequencies

  9. Resonant waves in a cavity

  10. Law of reflection

  11. Refraction

  12. Deriving the wave equation

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