Sinusoidal Plane Waves

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Presentation transcript:

Sinusoidal Plane Waves PHYSICS 1 In complex notation Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/

What is ? Sound waves in air

What is ? Vibrations of a stretched string

Amplitude and Phase Amplitude Phase

Angular frequency Fix Position

Wave number Fix Time

Summary

Phase velocity Follow

Phase velocity

Wave Evolution

Three Dimensions Constant phase surfaces

Wave Fronts

Arbitrary direction Wave vector Along x

Phase difference

Problem

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