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(c) (1) Show that the Brewster angle 8g can be given by the tan g %3D where n, is the refractive index of medium of incidence and ne refractive index of the transmission medium. is the Determine the polarization angle for external reflection at an air-glass interface (n = 1, n, 1.5). Describe the state of polarisation of the reflected beam for unpolarised light incident at 8g. (ii) %3D

(c) (1) Show that the Brewster angle 8g can be given by the tan g %3D where n, is the refractive index of medium of incidence and ne refractive index of the transmission medium. is the Determine the polarization angle for external reflection at an air-glass interface (n = 1, n, 1.5). Describe the state of polarisation of the reflected beam for unpolarised light incident at 8g. (ii) %3D

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polarised is incident in air upon a metal surface coincident with the x- plane at z = 0. If the metal surface is copper (u, = 1, ɛ, = 1, and o = 5.8 107 S/m): %3D %3D (1) Calculate the phase constant k, the wavelength 2, and the impedance in medium 1 ne1. Calculate the impedance for the copper metal surface ne2. (ii) Show that the reflection coefficient in this case of normal incidence (iii) can be considered approximately equal to 1 (assume copper is a good conductor). (c) (1) Show that the Brewster angle 6 can be given by the formula: tan OB where n, is the refractive index of medium of incidence and ng is the refractive index of the transmission medium. Determine the polarization angle for external reflection at an air-glass interface (n reflected beam for unpolarised light incident at 8. (ii) 1, n = 1.5). Describe the state of polarisation of the 5. HUAWET P30 a. Transverse electric wave is an electromagnetic wave in which the electric field is LEICA TRIPLE CAMERAAL to the direction of propagation while the magnetic field is along the direction of propagation. nloctromagnetic wave in which the magnetic field is the direction of
Transcribed Image Text:polarised is incident in air upon a metal surface coincident with the x- plane at z = 0. If the metal surface is copper (u, = 1, ɛ, = 1, and o = 5.8 107 S/m): %3D %3D (1) Calculate the phase constant k, the wavelength 2, and the impedance in medium 1 ne1. Calculate the impedance for the copper metal surface ne2. (ii) Show that the reflection coefficient in this case of normal incidence (iii) can be considered approximately equal to 1 (assume copper is a good conductor). (c) (1) Show that the Brewster angle 6 can be given by the formula: tan OB where n, is the refractive index of medium of incidence and ng is the refractive index of the transmission medium. Determine the polarization angle for external reflection at an air-glass interface (n reflected beam for unpolarised light incident at 8. (ii) 1, n = 1.5). Describe the state of polarisation of the 5. HUAWET P30 a. Transverse electric wave is an electromagnetic wave in which the electric field is LEICA TRIPLE CAMERAAL to the direction of propagation while the magnetic field is along the direction of propagation. nloctromagnetic wave in which the magnetic field is the direction of
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