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        <description>Polarization - PHYS143

(Updated April 2025)



Introduction

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Waves

In the discussion of wave propagation on stretched strings, it was pointed out that the vibration or displacement of the wave was transverse, i.e., perpendicular to the direction of wave travel. Longitudinal$z$$xz$$\mathbf{d} = A_x \sin\left(2\pi f\left(t-\dfrac{z}{c}\right)\right)\hat{\mathbf{x}}$$\mathbf{d}$$x$$A_x$$\hat{\mathbf{x}}$$x$$xz$$z$$yz$$\mathbf{d} = A_y \sin\left(2\pi f\left(t-\dfrac{z}{c}\right)\right)…</description>
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