A beam of light travels into crown glass from air. If the refractive index is 1.52, calculate the value of A shown in the figure below. Note: The drawing is not to scale. 50 4.00 cm

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 water

What is the index of refraction of a material for which the wavelength of light is 0.6143 times its value in a vacuum? (Enter your answer to at least three decimal places. Use any necessary data found in this table.) 1.628 Identify the likely substance. glycerine

A ray of light crosses the boundary between some substance with n = 1.61 and air going from the substance into air. If the angle of incidence is 18 what is the angle of refraction? Calculate to one decimal

8. 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 = 1.50

2. A small light source (point source) is located in water (nr 1.33) at a depth d below the surface. Determine (a.) the critical angle for total reflection of light at the water-air interface (b.) the depth of the light source if an observer above the water sees an illuminated circle of 3m radius.

Figure 3 shows a beam of light incident on a glass plate of thickness d and index of Air Glass T Air refraction (a) Find the angle of incidence so that the perpendicular separation between the ray reflected from the top surface and the ray reflected from the bottom surface and exiting the top surface is a maximum.(show all steps clearly) (b) What is this angle of incidence if the index of refraction of the glass is 1.54? (c) (c) What is the separation of the two beams if the thickness of the glass plate is 5.5 cm?

Snell's Law Practice Name 1. A ray of light travels through air (n = 1.00) into water (n = to angle of incident. 1.33). The angle of refraction is: , =, or unrelated

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 water