A ray of light impinges from air onto a block of ice (n = 1.309) at a 46.0° angle of incidence. Assuming that this angle remains the same, find the difference 02, ice-02, water in the angles of refraction when the ice turns to water (n = 1.333). 0 02, ice-02, water Additional Materials
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- AKS 11a2) A ray of light travels through air (n = 1.0003) at an angle of 33-degrees as measured from the normal, land crosses a boundary into water. (n = 1.33) What is the angle of refraction for this situation? O12°Light is incident from air onto the surface of a liquid. The angle of incidence is 47.0°, and the angle of refraction is 36.0°. At what angle of incidence would the reflected light be 100% polarized? Number Incident light Liquid i Reflected light Refracted light Units11:19 Optics.pdf -> 2. Find angle ø. (Hint: Use Geometry skills.) 79.4712° Air, n, = 1 3. Find the second angle of 30 incidence. 10.5288° Horiz. ray, parallel to 4. Find the second angle of refraction, 0, using Snell's Law 15.9° base Glass, n = 1.5 Refraction Problem #2 Goal: Find the distance the light ray displaced due to the thick window and how much time it spends in the glass. Some hints given. 20° 0, 1. Find 0. 20° H,0 2. To show incoming & outgoing rays are parallel, find 0. 20° n, = 1.3 3. Find d. 0.504 m glass 10m 4. Find the time the light spends in the glass. n = 1.5 5.2 · 10-8 s Extra practice: Find 0 if bottom medium is replaced with air. H,0 26.4° Refraction Problem #3 Goal: Find the exit angle relative to the horizontal. 0 = 19.8° 36 air glass The triangle is isosceles. Incident ray is horizontal, parallel to the base.
- A light ray initially in water enters a transparent substance at an angle of incidence of 41.0°, and the transmitted ray is refracted at an angle of 27.0°. Calculate the speed of light in the transparent substance. Mm/s Additional Materials еВook8. Light strikes the 70° glass prism (n = 1.51) with an angle of incidence of 50.0°. Calculate the angle that the light leaves the prism. (73.9°) 70d 9. Light is incident on an equilateral Lucite prism (n = 1.5) at an angle of 35°. Calculate the angle that the light leaves the prism. (66°) %3D ? 10. Freddie the fish shines his flashlight upward from under water. If Freddie shines his flashlight at an incident angle of 20°, at what angle does the light leave the water? (27°) В. A. Beyond what critical angle will the light no longer be able to leave the water? (48.8°) 11. From inside an aquarium a ray of light is directed at the glass so the angle of incidence, in water, is 30°. (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 52° at what angle will the rays emerge from the glass? (42°, no ray emerges) water air n = 1.33 n = 1.00 30° glass n = 1.50The angle of incidence of a light beam onto a reflecting surface is continuously variable. The reflected ray in air is completely polarized when the angle of incidence is 49.8°. What is the index of refraction of the reflecting material? Need Help? Read It Watch It
- The index of refraction for violet light in silica flint glass is 1.66 and that for red light is 1.62. What is the angular dispersion of visible light passing through an equilateral prism of apex angle 60.0° if the angle of incidence is 46.0°? (See figure. The index of refraction for air is 1.00.)QUESTION 12 A tank containing methanol has walls 2.50 cm thick made of glass of refractive index 1.55. Light from the outside air strikes the glass at 42.30 with the normal to the glass. Find the angle the light makes with the normal in the methanol. Methanol has a the refractive index of 1.329. Attach File Browse Local Files Browse Content CollectionA light ray is incident on corn oil from lucite. Find the angle of refraction if the angle of incidence is 28 degree
- As shown in the figure, a light beam travels from air, through olive oil, and then into water. If the angle of refraction 82 for the light in the olive oil is 34.8°, determine the angle of incidence e, in air and the angle of refraction e3 in water. The index of refraction for olive oil is 1.47. 83 = air oil waterAs 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