An underwater swimmer shines a beam of light up toward the surface. It strike the air-water interface at 35° to the normal. At what angle will it emerge in the air?
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- A glass optical fiber is used to transport a light ray across a long distance. The fiber has an index of refraction of 1.510 and is submerged in ethyl alcohol, which has an index of refraction of 1.361. What is the critical angle (in degrees) for the light ray to remain inside the fiber?A ray of light travelling in glass having a refractive index nglass = 1.5, is incident at an angle 0, on the glass-air interface. If a thin layer of liquid (niquid = 1.33) is poured on the glass air interface, then at what angle would the ray emerge from the liquid -air interface? air (nair) air (Nair) liquid (njiquid) glass (ng) glass (ng) 90.0° 82.5° 48.3° 35.7° 45.6°A laser beam is incident at an angle of 30.2° to the vertical onto a solution of corn syrup in water. (a) If the beam is refracted to 19.14° to the vertical, what is the index of refraction of the syrup solution?(b) Suppose the light is red, with wavelength 632.8 nm in a vacuum. Find its wavelength in the solution. nm(c) Find its frequency in the solution. Hz(d) Find its speed in the solution. m/s
- A diver shines a flashlight upward from beneath the water ( n= 1.33) at a 38.7 angle to the vertical. At what angle does the light leave the water?Problem 9: A ray of light is incident on an air/water interface. The ray makes an angle of θ1 = 29 degrees with respect to the normal of the surface. The index of the air is n1 = 1 while water is n2 = 1.33. Part (a) Choose an expression for the angle (relative to the normal to the surface) for the ray in the water, θ2. Part (b) Numerically, what is the angle in degrees?A ray of light is incident on an air/water interface. The ray makes an angle of theta= 33 degrees with respect to the normal of the surface. The index of the air is n1 = 1 while water is n2 = 1.33. Numerically, what is the angle in degree?
- A ray of light strikes a slab of glass at an angle of incidence of 35°. The angle of refraction in the glass is O 22° O 15.4° O 29.5° O 27.6° 35° n = 1.33 Glass n = 1.55Laser light is passed through a rod made out of a material with an index of refraction of 1.62, a length L = 45.0 cm, and square cross section of length h = 3.00 mm on a side as shown in the figure. If the light enters at the center of the rod with an angle of incidence in air of 0₁ = 49.7°, determine the number of total internal reflections before it emerges from the opposite end of the rod. 42.0 cm 3.10 mmA light ray in air (n = 1.00) hits turpentine (n = 1.47) at an angle of 35° to the surface. Determine the angle of refraction.
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