1. The of light can change when light is refracted because the medium changes. A. froquency B. color 1 Pt ABc DE C. speed D. transparency 2. Light is not refracted when it is A. traveling from air into a glass of water at an angle of 35° to the normal. B. traveling from water into air at an angle of 35° to the normal. 1 Pt C. striking a wood surface at an angle of 75°. D. traveling from air into a diamond at an angle of 45°. A E 3. When light passes at an angle to the normal from one material into another material in which its speed is higher, A. it is bent toward the normal to the surface. B. it always lies along the normal to the surface. C.itis unaffected. 1 Pt ABc D E D. it is bent away from the normal to the surface.

1. The of light can change when light is refracted because the medium changes. A. froquency B. color 1 Pt ABc DE C. speed D. transparency 2. Light is not refracted when it is A. traveling from air into a glass of water at an angle of 35° to the normal. B. traveling from water into air at an angle of 35° to the normal. 1 Pt C. striking a wood surface at an angle of 75°. D. traveling from air into a diamond at an angle of 45°. A E 3. When light passes at an angle to the normal from one material into another material in which its speed is higher, A. it is bent toward the normal to the surface. B. it always lies along the normal to the surface. C.itis unaffected. 1 Pt ABc D E D. it is bent away from the normal to the surface.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

4. Which of following statement is incorrect? A. Fresnel diffraction is observed in a near-distance field. B. A Fresnel zone-based lens can produce images using nature light (i.e., Sun light). C. A Fresnel zone can be used as a lens to focus X-ray and increase microscopic resolution. D. The center of Fresnel diffraction can be bright or dark depending on the observing distance.
4. A ray of light travels in glass (n=1.5), and hits its interface with water (n=1.3). What is the maximum angle that the ray can make with the normal, and still pass through into the water? n=1.3 n=1.5 A
6. Explain why a person's legs appear very short when wading in a pool. Justify your explanation with a ray diagram showing the path of rays from the feet to the eye of an observer who is out of the water.
A drop of unknown liquid sits on top of a glass surface and Nglass = 1.57. If total internal reflection occurs at the boundary between the glass and the liquid with a critical angle of 53ﾟ what is a refractive index of the liquid? A. 2.65 B. .935 C. 1.25 D. 1.97 E. 1.57
6. The diagram shows a light wave passing through the air toward an opaque piece of glass. Which statement best describes what will happen to the wave as it strikes the glass?A. It will refract and bend away from the normal.B. It will reflect at an angle perpendicular to the glass.C. It will continue passing through the glass in its original path.D. It will reflect at an angle that is equal to the angle of incidence.
In a darkened room, red light shines on a red cup, a white card, and a blue toy. The cup, card, and toy will appear, respectively,A. Red, red, blue.B. Red, white, blue.C. Red, red, black.D. Red, black, blue.
1. What is meant by reflection? 2. State and explain the law of reflection? 3. What do you mean by refraction of light? 4. Hat is absolute refraction index of a medium? 5. What is Snell's law? 6. What is meant by optical path? How is it different from geometrical path length? 7. Abeam of c ollimated light (i.e. having parallel rays) traveling in air makes an angle of 30° to the normal to a glass plate. If the index of the glass is ng = 3/2, determine the direction of the transmitted beam within the plate. 8. Envision the interface between two regions, one of glass (n, = 1.5) and the other of water (n., = 1.33). A ray traveling in the glass impinges on the interface at 45° and refracts into the water. What is the transmission (refraction) angle?
3. In order to reduce light reflection on a lens surface (n, = 1.5) by coating a thin film with thickness (l = 1/4), which of following coating material should be used? A. Zinc sulfide (n = 2.32). B. Cerium fluoride (n = 1.63). C. Magnesium fluoride (n = 1.35). D. Zirconium dioxide (n = 2.10).
1. What is a normal line and why is it necessary in refraction?
24) When light goes from one material into another material that has a lower index of refraction, A. its speed, wavelength, and frequency all increase. B. its speed increases but its frequency and wavelength stay the same. C. its speed decreases but its wavelength and frequency both increase. D. its speed and wavelength increase, but its frequency stays the same. E. its speed increases, its wavelength decreases, and its frequency stays the same. 25) To focus light to a spot of the smallest possible width, you should choose a lens with A. The smallest focal length and the largest diameter B. The largest focal length and the largest diameter C. The smallest focal length and the smallest diameter D. The largest focal length and the smallest diameter 26) An opera singer in a golf cart is singing a note at 780 Hz while traveling down a road at 30 m/s. What is the frequency heard by a person standing on the side of the road with the golf cart heading away from them? Assume a speed of sound…
7. speed in vacuum. The speed of light inside some material is reduced by 25% from the What is the index of refraction of the material? a) n = = 3 b) n = 4 c) n = 34 d) Something else. (Please explain.)
Explain the various light phenomena such as: 1. Your reflection on the concave and convex sides of a spoon looks different. 2. Mirages 3. Light from a red laser passes more easily through red cellophane than green cellophane. 4. Clothing of certain colors appears different in artificial light and sunlight. 5. The sky is blue and sunsets are reddish.