## Classical theory of electricity and magnetism: a course of lectures |

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Page 127

(This is not a trivial result for the velocities of the waves being different in the two

media, cither the frequency or the wave length or both must differ in the

and refracted waves — the identity of frequencies settles this question.) From (2)

...

(This is not a trivial result for the velocities of the waves being different in the two

media, cither the frequency or the wave length or both must differ in the

**incident**and refracted waves — the identity of frequencies settles this question.) From (2)

...

Page 138

The

polarized wave of the types 35, 36) Ey = H,=E0e c

£„' e *xc .reflected wave in air E" -E " e**' ~**c) E " H," = p -~~e"" ' c refracted wave

in ...

The

**incident**, the reflected and the refracted waves are given by (for a planepolarized wave of the types 35, 36) Ey = H,=E0e c

**incident**wave in air -Ey ' = /// =£„' e *xc .reflected wave in air E" -E " e**' ~**c) E " H," = p -~~e"" ' c refracted wave

in ...

Page 140

Lastly we note that in case the reflecting power is unity and the incidence is

normal, the

waves. These stationary waves have been observed experimentally. Problems 1.

Lastly we note that in case the reflecting power is unity and the incidence is

normal, the

**incident**and reflected waves together form a system of stationarywaves. These stationary waves have been observed experimentally. Problems 1.

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### Contents

The empirical basis of electrostatics | 1 |

Direct calculation of fields | 7 |

dipoles9 The Dirac 5function13 | 13 |

Copyright | |

23 other sections not shown

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acceleration angle angular axis boundary conditions calculate called centre charge density charge distribution charged particle coefficient coil components conducting conductor consider coordinates dielectric constant differential dipole direction distance divergence electric and magnetic electric field electromagnetic field electromotive force electron electrostatic energy flux equation 16 expression field due field point finite fluid formula Fourier frame frequency function given gives Hence incident infinite interaction isotropic Laplace's equation linear Lorentz transformation magnetic field magnitude Maxwell's equations medium molecule momentum motion number density obtain orthogonal oscillations permanent magnets perpendicular photon plane plasma point charge polarization potential due Poynting vector radiation field radiation reaction radius refractive index region relation result satisfied scalar shows sin2 solution special theory sphere at infinity spherical surface integral symmetry tensor term theorem theory of relativity transverse uniform vanishes vector potential velocity volume wave length write zero