The figure below shows an optical fibre with a refractive index of 1.54. Outside of the...
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The figure below shows an optical fibre with a refractive index of 1.54. Outside of the fibre is air. A ray of light passing along the fibre hits the boundary between glass and air at point Y. Y X Z fibre a) Explain why the ray does not leave the fibre at Y. b) Calculate the critical angle at the glass air boundary. c) Calculate the speed of light in the glass. The figure below shows an optical fibre with a refractive index of 1.54. Outside of the fibre is air. A ray of light passing along the fibre hits the boundary between glass and air at point Y. Y X Z fibre a) Explain why the ray does not leave the fibre at Y. b) Calculate the critical angle at the glass air boundary. c) Calculate the speed of light in the glass.
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refract This b C phenomenon is A1 when light goes it bont away from critical og angle is ... View the full answer
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