Lab 09-Reflection and Refraction (1)

When light travels from air into water, which of the following statements is accurate?  a. The wavelength decreases, and the speed decreases. b. The wavelength decreases, and the speed increases. c. The wavelength increases, and the speed decreases. d. The wavelength increases, and the speed increases.

air crystal Consider 2 rays of light inside of a clear crystal. Both rays are incident upon the crystal/air boundary at the same point with the angles indicated, and ray A is internally reflected. Here, take a = B= 30 degrees. Choose all of the following statements that are true: Select one or more: a. In order that the ray A is internally reflected, the index of refraction has to be anything greater than 2 9 b. The speed of the rays in the crystal is a bit slower than the speed of light O c. The speed of the rays in the crystal is a bit faster than the speed of light O d. Since A is internally reflected, B also must be internally reflected. e. The speed of the rays in the crystal is equal to the speed of light f. In order that the ray A is internally reflected, the index of refraction has to be anything greater than 1.15

Problem Description A laser beam travels from air (n=1) into glass (n=1.5) and then into gelatin. The incident ray makes a 58.0° angle with the normal as it enters the glass and a 36.4° angle with the normal as it enters the gelatin. Instructions In a neat and organized fashion, write out a solution which includes the following: 1. A sketch of the physical situation with all given physical quantities clearly labeled. 2. Draw a ray diagram showing all reflected and refracted rays in this situation and all angles clearly labeled. 3. Determine (a) the angle the refracted ray makes with the normal in the glass and (b) the index of refraction of the gelatin. Clearly show all steps, starting from generalized equations. Explain your mathematical work in words. Your explanation should cover both what you did and the thought process behind why you did that. 4. Evaluate your answer to determine whether it is reasonable or not. Consider all aspects of your answer (the numerical value, sign, and…

Light in vacuum is incident on the surface of a slab of transparent material. In the vacuum the beam makes an angle of 31.1° with the normal to the surface, while in the slab it makes an angle of 22.0° with the normal. What is the index of refraction of the transparent material? Number i Units eTextbook and Media

Light in alcohol (n = 1.36) is incident on flint glass (n = 1.66) as shown below. Normal Alcohol Flint Glass Which of the following is a true statement about the path of the light in the flint glass? The speed of the light decreases and the ray bends away from the normal The speed of the light decreases and the ray bends toward the normal The speed of the light increases and the ray bends toward the normal The speed of the light increases and the ray bends away from the normal

Light ray A, travelling in vacuum, is incident on a thin liquid that is used to coat a glass surface. Reflected rays B, C, and D are also shown on the diagram. The refractive index of glass is larger than the refractive index of the liquid coating. SQ-T9.3-P1-Q3 A B D. vacuum liquid glass Which of the following statements is true about the phase change of the three reflected rays? A. All three rays undergo a phase change of 180°. B. Only ray B undergoes a phase change of 180°. C. Only rays B and C undergo a phase change of 180°. D. Only rays C and D undergo a phase change of 180°. Answer C.

The figure below shows a slab made of three different materials X, Y and Z having refractive indices nx, ny, and nz The slab is immersed in water (n=1.333) and the light is incident upon its bottom surface. a. Rank the materials according to the refractive index of the materials, greatest first. b. Rank the materials according to the speed of light in the material, greatest/fastest first. c. Discuss what would happen to the angle if material X and Y are swapped. d. If α=70.0ˆ and θ=50.0ˆ , what is the refractive index of material Z?

When the light is passing from denser to a rarer medium, which is the correct statement? angle of incidence is greater than angle of refraction b. angle of incidence is equal to angle of refraction c. angle of incidence is less than angle of refraction d. angle of incidence is equal to critical angle

What are the factors that affects the refraction of light? Why is it important to understand the speed of light in different mediums? Site 2 industrial applications of this concept.

A ray of light passes from medium A to medium B. If the angle of incidence is 30° and the angle of refraction is 38°, which of the following statements is TRUE? A. The index of refraction of A is greater than the index of refraction of B. B. The index of refraction of A is lower than the index of refraction of B. C. A and B have equal indices of refraction. D. It cannot be determined unless at least one index of refraction was given. E. It cannot be determined unless the types of material of the two media were given.

Can you explain and solve the question please

The speed of light in a gem is 1.2 x 108 m/s. When light in air is incident onto the gem at 15 degrees, which of the following is the refraction angle? a. 5.9 degrees b. 3.4 degrees c. 11.2 degrees d. 40.3 degrees

A light ray in air has an incident angle of 53.8ﾟ when it strikes the boundary of an unknown material. If the reflected ray is completely polarized so that the incident angle is the Brewster's angle what is the index of refraction of the unknown material? A. 1.25 B. .807 C. 1.69 D. .591 E. 1.37

What is the speed of light through a piece of clear plastic if its index of refraction is 1.7?   a. 5.10x106 m/s   b. 1.76x108 m/s   c. 3.00x108 m/s   d. 5.10x108 m/s

Light struck the surface of a certain material at an angle of reflection of 60 degrees at an angle of refraction of 45 degrees. What is the index of refraction of the material? 4.115 0.115 3.225 1.225

The figure below shows a slab mode of three different materials X,Y and Z having refractive indices nx,ny, and nx respectively. The slab is immersed in water (n=1.333) and the light is incident upon its bottom surface. a. Rank materials according to the refractive index of materials, greatest first. b. Rank the materials according to the speed of light in the material, greates/fastest first. c. Discuss what would happen to the angle y if material Xand Y are swapped. d. If alpha= 70.0 degrees and theta= 50.0 degrees, what is the refractive index of material Z?

help please

Den is doing an experiment with a laser light and these different objects. Laser Light Object 1 Object 2 Object 3 6 Ben knows that Object 1 reflects light. Which sentence describes the path the light will take when shined at Object 1? F. The light with bounce off in all directions. G. The light will be absorbed. H. The light will bounce off at a right angle. I. The light will pass through the other side.

The figure below show a slab made of three different materialS X, Y, and Z having refractive indices nx, ny, and nz respectively. The slab is immersed in water(n=1.333) and the light is incident upon its bottom surface. A. Rank the materials according to the refracted index of the materials, greatest first. B. Rank tge materials according to the speed of light in the material, fastest first. C. What would happend to the angle of y if material X and Y are swapped.

30.0° A 45.0° B 60.0⁰ C Figure 2. Solid 30.0°, 45.0°, and 60.0° lines labeled "A," "B," and "C," respectively. Calculate the theoretical reflected angles using the law of reflection (i=0r) for Lines A, B, and C, and record in Data Table 1.

A ray is directed at a glass–air interface and total internal reflection occurs at the criticalangle. If a thick layer of water is then poured on top of the glass. Which of the followinghappens?(Remember: Water has an index of refraction between that of glass and air.) A. The ray is still totally internally reflected at the glass interface.B. The ray is now totally internally reflected at the water–air interface.C. The ray is no longer totally internally reflected anywhere.D. The answer depends on the angle of incidence on the glass–water interface.