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- As shown below, light from a vacuum is incident on a shard of Shawtonium (a newly discovered compound). The backside of the shard is up against an unknown material. When the light strikes the backside of the shard, total internal reflection occurs. The light then emerges from the side of the shard and resumes traveling through a vacuum. The index of refraction of Shawtonium is 2.5. Determine 01 & 02 unknown 0₂ shard vacuum 79° 30° 0₁ 0₁ = 0₂=A beam of light is traveling in air and strikes a material. The angles of incidence and refraction are 53.0° and 34.0°, respectively. Obtain the speed of light in the material. Number i UnitsAssume that a material is composed of 3 layers in descending order: air (nair = 1.00), water (nwater = 1.33), and glass (nglass= 1.52). Then, assume that a monochromatic light ray in the air passes through the surface of water with an angle of incidence 0₁ = 40 degrees. A. Find the angle of refraction in glass after it passes completely through the water layer. B. Find how fast is the light ray moving in the glass?
- As shown in the figure, a light beam travels from air, through olive oil, and then into water. If the angle of refraction 0, for the light in the olive oil is 29.6°, determine the angle of incidence 0, in air and the angle of refraction 03 in water. The index of refraction for olive oil is 1.47. 0, = 83 = air n2 oil 13 waterThe index of refraction of water is 1.33 and the index of refraction of crown glass is 1.52. Whichstatement about the speed of light in these materials is true?a) The speed of light is the same in water and crown glass.b) The speed of light in water is faster than the speed of light in crown glass.c) The speed of light in crown glass is faster than the speed of light in water.d) More information is needed to compare the speed of light in the materials.A light ray in the core (n=1.40) of a cylindrical optical fiber is incident on the cladding. A ray is transmitted through the cladding (n= 1.20) and into the air. The emerging ray makes an angle 02 = 6.10° with the outside surface of the cladding. What angle 01 did the ray in the core make with the axis? Air
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- A light ray in glass arrives at the glass-water interface an angle of 0 = 45° with the normal. The refracted ray in water makes an angle = 75° angle with the normal, as shown in the figure. The index of refraction of water is 1.33. The angle of incidence is now changed to 0 = 25°. What is the new angle of refraction in the water? water glass O O O O O 45.0⁰ 28.5° 35.3° 50.3° 48.1° 81 0As shown in the figure, a light beam travels from air, through olive oil, and then into water. If the angle of refraction 02 for the light in the olive oil is 28.2°, determine the angle of incidence 0, in air and the angle of refraction 03 in water. The index of refraction for olive oil is 1.47. 01 = 03 = air n2 oil 13 water