In order to undergo total internal reflection, a ray of light must O travel from a medium with a low n to a medium with a high n at an angle greater than the critical angle. travel from a medium with a high n to a medium with a low n at exactly the critical angle travel from a medium with a high n to a medium with a low n at an angle greater than the critical angle. travel from a medium with a high n to a medium with a low n at an angle less than the critical angle. travel from a medium with a low n to a medium with a high n at an angle less than the critical angle. travel from a medium with a low n to a medium with a high n at exactly the critical angle

A layer of liquid B floats on liquid A. A ray of light begins in liquid A and undergoes total internal reflection at the interface between the liquids when the angle of incidence exceeds 37.4°. When liquid B is replaced with liquid C, total internal reflection occurs for angles of incidence greater than 53.8°. Find the ratio ng/nc of the refractive indices of liquids B and C. Number i Units

A point source of light is below the surface of H20. The index of refraction of H20 is 1.33. A light ray that emrges from the source of light strikes the H2O - air interface at an angle of 37 to the normal. What statement best describe what the light ray does after striking interface? a/ Incident ray will inter fully destructively with the refrected ray, producing total internal refelction. b/ Incident ray will bounce back on the intrface and travel along the same path but in the opposite direction c/ The path of light will be reflected back into the H2O, and part will be transmitted into the air d/ All the light will be reflected back into the H2O e/ The incident ray will interfere fully destructively with the transmitted ray, producing total internal reflection. f/ The incident ray will interfere fully destructively with both reflected and transmitted rays producings total internal refelction g/ all light transmitted to air

Consider a layer of Oil, Glass, and Air where the oil/glass boundary is parallel to the glass/air boundary.  Let the index of refraction for the glass be 1.7 and the index of refraction for the oil to be 1.16.  At what angle relative to the normal should a ray of light be directed upon the oil/glass interface such that it strikes the glass/air interface at the critical angle?

Light incident in a medium with an index of refraction 1.47 encounters a medium with an index of refraction 1.18. Which of the following best describes what can happen? If there isn't total internal reflection, then the light that refracts into the second medium bends away from the normal. There will never be total internal reflection and the light that refracts into the second medium will bend away from the normal. If there isn't total internal reflection, then the light that refracts into the second medium bends towards the normal. There can only be total internal reflection.

Questions 20 through 22 are concerned with the situation sketched as shown, in which a beam of light in the air encounters a transparent block with index of refraction n = 1.53. Some of the light is reflected and some is refracted. Is there an angle of incidence between 0° and 90° such that all of the light will be reflected?A. Yes, at an angle greater than 50°B. Yes, at an angle less than 50°C. No

The refractive index of water is 1.333 and the refractive index of diamond is 2.419. (a) Could total internal reflection happen if a ray of light goes from water into diamond? If yes, what is the critical angle? And draw a light ray diagram of the critical situation. If no, give the reasons. (b) Could total internal reflection happen if a ray of light goes from diamond into water? If yes, what is the critical angle? And draw a light ray diagram of the critical situation. If no, give the reasons.

Consider a layer of oil, Glass, and Air where the oil/glass boundary is parallel to the glass/air boundary. Let the index of refraction for the glass be 1.40 and the index of refraction for the oil to be 1.34. At what angle relative to the normal should a ray of light be directed upon the oil/glass interface such that it strikes the glass/air interface at the critical angle?

General Physics II #3 #31

From inside an aquarium a ray of light is directed at the glass so the angle of incidence, in water, is 30o. (a) Determine the angle of refraction when the ray emerges from the glass into the air. (b) If the angle of incidence in the water is 52o at what angle will the rays emerge from the glass? (42o, no ray emerges)