Problem 1: Consider the configuration shown in the Figure below. A light ray enters a medium with refractive index n2. a) You are asked to calculate the angle a. Option A: 13.13° Option B: 20.92° Option C: 33.33° Option D: 16.54° b) You are asked to calculate the speed of light in medium 2 (the one below). Option A: 111,145.5 km/s Option B: 214,137.5 km/s Option C: 145,111.5 km/s Option D: 311,145.5 km/s 1 60° α I n₁ = 1 n₁ = 1.4
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- 20. A ray of light in the air hits a block of transparent material at an incident angle 0f 62°. The angle of refraction is 44°.a) Sketch the situation, labelling the incident ray, the refracted ray, the reflected ray, and the normal b) Determine the index of refraction of the transparent block and the speed of light in the block. Please dont forget to sketchThe light ray shown in the figure makes anangle of 18.0◦ with the normal line at theboundary of linseed oil and water. a) Find the angle θ1. Note that n = 1.48for the linseed oil.Answer in units of ◦A light ray propagates in Material 1 with index of refraction n₁ = 1.25, strikes an interface, then passes into Material 2 with index of refraction n₂ = 1.37. The angle of incidence at the interface is 0₁ = 27.3°. Determine the angle of refraction 02. 0₂ € 1 Material 1 Material 2
- A ray of light strikes a flat, 2.00-cm-thick block of glass (n = 1.52) at an angle of ? = 37.4° with respect to the normal (see figure below). a.) Find the lateral distance d by which the light beam is shifted. b.) Calculate the time required for the light to pass through the glass block.38. Which of the following statements, regarding the nature of light, is/are true? Statement A: When light travels from one medium into another medium it must slow down. Statement B: When light slows down as it enters into a new medium it must bend. Statement C: When light travels from one medium to another it can both reflect and refract. Statement D: Refraction of light will occur regardless of the angle of incidence. A. Statements A is true. B. Statements B is true. C. Statements C is true. D. Statements D is true.Using the figure below, find the angles of refraction for a light ray passing from air into glass with the following angles of incidence: 5°, 10°, and 20°. 45 40 35 30 25 20 15 10 10 20 30 40 50 60 70 80 90 Angle in air (*) O10° %3D 020° Do you notice a trend in the resulting values? If so, describe it. O Doubling the angle of incidence approximately halves the angle of refraction. O Doubling the angle of incidence approximately doubles the angle of refraction. O Doubling the angle of incidence approximately quadruples the angle of refraction. There is no trend in the resulting values. Based on your observations, what would you predict the angle of refraction to be for an angle of incidence of 40°? How does your value compare with that inferred from the figure? () ssed u asuy
- As a ray of light travels through a medium with wavelength and speed v = f x , the refractive index (n) of that medium may be expressed as (where fo and o are the frequency & wavelength in free space) Group of answer choices o / x o f/ fo / oUse the exact values you enter to make later calculations.A ray of light strikes a flat, 2.00-cm-thick block of glass (n = 1.96) at an angle of ? = 32.4° with respect to the normal (see figure below). A light ray incident on a glass block of thickness 2.00 cm is shown. The ray travels down and to the right and is incident to the top of the block at an angle ? to the normal of the surface. The ray inside the block moves down and to the right but at a steeper slope than the incident ray. It is incident on the bottom surface of the block and exits moving down and to the right, in the same direction as the incident ray. A dashed line extends from the original path of the ray down in the block and is shown to be a distance d from the ray that exits the glass block. (a) Find the angle of refraction at the top surface and the angle of incidence at the bottom surface. °(b) Find the refracted angle at the bottom surface. °(c) Find the lateral distance d by which the light beam is shifted. cm(d)…Light travels from material #1 with refractive index n1 and incidence angle θ1 into material #2 with refractive index n2 and refraction angle θ2. Choose the correct statement below. If θ1 < θ2, then material #2 has a larger index of refraction. If θ1 < θ2, then light travels faster in material #1. If θ1 < θ2, then material #2 has a smaller index of refraction. If θ1 < θ2, then material #1 has a smaller index of refraction. If θ1 > θ2, then light travels faster in material #2.