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Chapter 15: Wave motion

Chapter 15: Wave motion. Wave equation. Dispersion relation. The principle of superposition. General case. Making a square wave. At t=0 we have. End of rope is fixed. Reflection and Transmission. Wave pulse reaches a discontinuity. Wave pulse is partly reflected and transmitted.

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Chapter 15: Wave motion

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  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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