COLLEGE PHYSICS-CONNECT ACCESS
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ISBN: 9781260486834
Author: GIAMBATTISTA
Publisher: MCG
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Chapter 23, Problem 1P
To determine
The shapes of wavefronts on each side of the reflecting wall.
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What is the angle of incidence on an air-to-glass boundary if the angle of refraction in the glass (n = 1.52) is 25 degrees?
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- How can you use total internal reflection to estimate the index of refraction of a medium?arrow_forwardLight is incident on a prism as shown in Figure P38.31. The prism, an equilateral triangle, is made of plastic with an index of refraction of 1.46 for red light and 1.49 for blue light. Assume the apex angle of the prism is 60.00. a. Sketch the approximate paths of the rays for red and blue light as they travel through and then exit the prism. b. Determine the measure of dispersion, the angle between the red and blue rays that exit the prism. Figure P38.31arrow_forwardLight is in a crystal with an index of refraction of 1.75. The crystal is in air. The light traveling in the crystal is incident on the crystal-air interface. What is the angle of incidence that, using Snell's law, would lead to an angle of refraction of 90 degrees? Give your answer in degrees.arrow_forward
- Consider a fiber like the one sketched below. Take the index of refraction of the core to be n₁ = 1.52 and the index of refraction of the cladding to be n₂ = 1.46. A) What is the critical angle for the core/cladding interface? B) If the input angle from air is 00= 10° Calculate 01. C) If the input angle from air is 80-10° Calculate y. D) If the input angle from air is 00=10° will the ray be guided by the fiber with low loss? E) If the input angle from air is 00=30° Calculate 0₁. F) If the input angle from air is 00=30° Calculate y. G) If the input angle from air is 00=30° will the ray be guided by the fiber with low loss? H) What is the maximum input angle from air for a ray that will be guided with low loss by this fiber?arrow_forwardA beam of light in air is incident on a stack of four flat transparent materials with indicies of refraction 1.20, 1.40, 1.32 and 1.28. If the able of incidence for the beam on the first four materials is 60.0°, what angle does the beam make with the normal when it emerges into the air after passing through the entire stackarrow_forwardA beam of white light is incident on the surface of a diamond at an angle a. (Figure 1) Since the index of refraction depends on the light's wavelength, the different colors that comprise white light will spread out as they pass through the diamond. The indices of refraction in diamond are nred = 2.410 for red light and blue = 2.450 for blue light. The surrounding air has nair = 1.000. Note that the angles in the figure are not to scale.arrow_forward
- There is a light pole on one bank of a small pond. You are standing up while fishing on the other bank. After reflection from the surface of the water, part of the light from the bulb at the top of the pole reaches your eyes. Use a ray diagram to help find a point on the surface of the water from where the reflected ray reaches your eyes. Determine an expression for the distance from this point on the water to the bottom of the light pole if the height of the pole is H, your height is h, and the distance between you and the light pole is l. Express your answer in terms of the variables H, h, and l.arrow_forwardWhite light enters flint glass from air (n₁ = 1). The angle of incidence is 8, = 63 degrees. Due to dispersion in the glass, the index of refraction for red light is 1.662, while the index for violet light is 1.698. Due to this difference, the violet and red parts of white light are refracted by different amounts. What is the difference in refraction angle (AO) between violet and red fin this situation? A0 = degrees n₁ n₂ refracted raysarrow_forwardStudents in a lab group are given a plastic cube with a hollow cube-shaped space in the middle that fills about half the volume of the cube. The index of refraction of the plastic is known. The hollow space is filled with a gas, and the students are asked to collect the data needed to find the index of refraction of the gas. The students take the following set of measurements: Angle of incidence of the light in the air above the plastic block: 30° Angle of refraction of the beam as it enters the plastic from the air: 45° Angle of refraction of the beam as it enters the plastic from the gas: 45° The three measurements are shared with a second lab group. Can the second group determine a value for the index of refraction of the gas from only this data? a. Yes, because they have information about the beam in air and in the plastic above the gas. b. Yes, because they have information about the beam on both sides of the gas. c. No, because they need additional information to determine the…arrow_forward
- A ray of white light traveling through air enters a triangular prism that has an index of refraction of 1.313 for the red end of the spectrum and 1.349 for the violet end and an apex angle of 71.8 degrees. If the ray has an angle of incidence of 60.3degrees with respect to the normal of the interface boundary, what is the angular separation between the red and violet ends of the spectrum within the prism? Measure this in degrees to 3 decimal places.arrow_forwardWhat is the critical angle for the interface between water and diamond? The index of refraction of diamond is 2.42. To be internally reflected, the light must start in which material?arrow_forwardChapter 25: Problem 11: Consider the internal reflection of light at the interface between water and ice. For convenience, the index of refraction for a variety of materials is provided below. a) What is the minimum angle, in degrees, at which you will get total internal reflection at this interface?arrow_forward
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