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Resumen sobre enlaces químicos.

pre-informe L5, laboratorio de fisica

Ook studentenraden gebruiken LaTeX voor hun verslagen van vergaderingen. (Downloaded from LaTeX templates en logo's)

Göteborg universitet, Chalmers universitet

Breu resum sobre l'amor al món medieval. Basat en apunts de l'assignatura de la UB.

The differential wave equation can be used to describe electromagnetic waves in a vacuum. In the one dimensional case, this takes the form $\frac{\partial^2\phi}{\partial x^2}-\frac{1}{c^2}\frac{\partial^2\phi}{\partial t^2} = 0$. A general function $f(x,t) = x \pm ct$ will propagate with speed c. To represent the properties of electromagnetic waves, however, the function $\phi(x,t) = \phi _0 sin(kx-\omega t)$ must be used. This gives the Electric and Magnetic field equations to be $E (z,t) = \hat{x} E _0 sin(kz-\omega t)$ and $B (z,t) = \hat{y} B _0 sin(kz-\omega t)$. Using this solution as well as Maxwell's equations the relation $\frac{E_0}{B_0} = c$ can be derived. In addition, the average rate of energy transfer can be found to be $\bar{S} = \frac{E_0 ^2}{2 c \mu _0} \hat{z}$ using the poynting vector of the fields.

This is example for an assignment that uses both matlab code and images

Preinforme guia de laboratorio L4.

Informe L4