A plastic light pipe has an index of refraction of 1.65. For total internal reflection, what is the minimum angle of incidence if the pipe is in the following media? (a) air ° (b) water °
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A plastic light pipe has an index of refraction of 1.65. For total internal reflection, what is the minimum angle of incidence if the pipe is in the following media?
°
(b) water
°
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- A plastic light pipe has an index of refraction of 1.45. For total internal reflection, what is the minimum angle of incidence if the pipe is in the following media? (a) air (b) waterA ray of light from a coin embedded in an unknow solid undergoes total internal reflection if the angle of incidence is larger than the critical angle. The light in the figure is incident at the critical angle. (a) What is the critical angle? (b) What is the index of refraction of this solid? coin solid, n = ? 18.0 cm air, n = 1 16.0 cmPart of your refraction experiment is on performing a total internal reflection. You measure the critical angle for some oil as 40o. Therefore the refractive index of that oil should be Group of answer choices 2.02 1.56
- F: (a) In figure below, a beam of monochromatic light reflects and refracts at point A on the interface between material 1 with index of refraction n₁ = 1.77 and material 2 with index of refraction n₂ = 1.33. The incident beam makes an angle of 50° with the interface. What is the angle of reflection at point A? What is the angle of refraction there? (b) What is the angle of reflection at point B? What is the angle of refraction there? 50° e, ie A 18 721 Tho no ng Air A| 8₂0What is the critical angle for total internal reflection for glass in air? Assume that nglass= 1.50 and nair = 1.00.A plastic light pipe has an index of refraction of 1.51. For total internal reflection, what is the minimum angle of incidence if the pipe is in the following media? (a) air (b) water O O