Total Internal Reflection

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• What happens to the angle of refraction as the angle of incidence increases?
• A pulse of white light is sent straight down a fiber optic cable 1 km long. The refractive index for blue light is 1.639 and for red light 1.621. What time interval will there be between the two components when they reach the far end?
• The refractive index for light of wavelength 400 nm passing through a type of glass is 1.470; when light of wavelength 750 nm passes through the glass the measured refractive index is 1.455. To what colours do these wavelengths correspond?
• What is the critical angle of an optical fiber when cladding is added of n = 1.49?
• Why does total internal reflection occur in a bicycle reflector?
• Why is total internal reflection used in surgery?
• What happens to internal reflection if the amount of reflected light increases?
• How is total internal reflection related to the critical angle?
• What causes reflection?
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• One method of determining the refractive index of a transparent solid is to measure the critical angle when the solid is in air. If #θ_c# is found to be 40.7°, what is the index of refraction of the solid?
• Total Internal Reflection?
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• How is refractive index relate to the angle of bending of light?
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• How will you prove refractive inside of red is less than that of violet by formulas?
• What type of reflection is an echo?