Pi 4 ems:1.Find the angle of refraction: (a) when a ray of light is travelling from air to glass at an angle of incidence of 40° , (b) when a rayof light is travelling from glass to air at an angle of incidence of 20°. (refractive index of glass with respect to air=D1.5)2.Sunlight strikes the surface of a lake. A diver sees the Sun at an angle of 42° with respect to the vertical. What angle do theSun's rays in air make with the vertical?3.What is the angle of refraction when a ray from air with an angle of incidence of 25° is incident to water? Draw the ray diagram.Air4. The light shown in the figure below makes an angle of 20° with the normal NN' in thelinseed oil (n=1.48). Determine angles 0 ande'. Figure (1)20Linseed oil5. A monochromatic light ray f=5.09x10^14 Hz is incident on medium X at 55. The absoluteindex of refraction for material X is 1.66. What is material X? Determine the angle ofrefraction. Determine the speed of light in medium X. The index of 1.66 is flint. To find theangle of refraction use Snell's law. 02=30. To find the speed use n=c/v, v=1.8x10^8 m/s.Figure 2leN'waterNormal6. A ray of light traveling through air is incident on a smooth surface of water at an angle of30 to the normal. Calculate the angle of refraction for the ray as it enters the water.3055Air =n1=D1AirMaterial XWater=n2%3D1.33

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Answered: 1.Find the angle of refraction: (a)…

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1) A light ray incoming from air hits a glass surface. Incident angle and refraction angle is calculated at the table below. a)Find the index of refraction of the medium for 3 different angles Incoming Refracted index N/A 30 8.7 45 12.2 60 15.3 b) Plot sin(theta1) vs sin(theta2) and obtain best fit line. What does the numeric value of the slope corresponds to in Snell's Law equation.
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1.Find the angle of refraction: (a) when a ray of light is travelling from air to glass at an angle of incidence of 40° , (b) when a ray of light is travelling from glass to air at an angle of incidence of 20°. (refractive index of glass with respect to air=1.5)