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

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Page 127

From (2) wc get first that k, k\ k" and n lie in the same plane and second Ikl sin / =

Ik'l sin /' = lk"l sin r (3) where i, i ' and r are the

refraction as indicated in the figure. As Ikl = co/u Ikl = Ik'l and lk"l/lkl = u'/o" ...

From (2) wc get first that k, k\ k" and n lie in the same plane and second Ikl sin / =

Ik'l sin /' = lk"l sin r (3) where i, i ' and r are the

**angles**of incidence, reflection andrefraction as indicated in the figure. As Ikl = co/u Ikl = Ik'l and lk"l/lkl = u'/o" ...

Page 129

Equation (14) shows that with \i' and \i" nearly equal the reflected amplitude will

vanish if „" tarn = ~ This

at this particular

Equation (14) shows that with \i' and \i" nearly equal the reflected amplitude will

vanish if „" tarn = ~ This

**angle**is called n Brewster's**angle**and for a wave incidentat this particular

**angle**, the reflected wave will have no electric vector ...Page 253

This may be expressed in terms of the

direction of the resultant velocity of the particle makes with the direction of the

magnetic field at the centre of the system. Thus (B/uħ\v02 = — c— where sin a Bc

is ...

This may be expressed in terms of the

**angle**a (called the pitch**angle**) which thedirection of the resultant velocity of the particle makes with the direction of the

magnetic field at the centre of the system. Thus (B/uħ\v02 = — c— where sin a Bc

is ...

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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