College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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A piece of glass (n = 1.51) is surrounded by air. A light ray in the glass is incident onto the surface at 45 degrees. Will the light refract into the air?
a. yes
b. no
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- Two unknown materials, A and B, have indices of refraction of 1.4 and 1.8, respectively. At what angle should you shine a light in A so that you can have total internal reflection? a. 90 degrees b. 51.06 degrees c. O degree d. total internal reflection does not occurarrow_forwardLight incident in a medium with an index of refraction 1.47 encounters a medium with an index of refraction 1.18. Which of the following best describes what can happen? If there isn't total internal reflection, then the light that refracts into the second medium bends away from the normal. There will never be total internal reflection and the light that refracts into the second medium will bend away from the normal. If there isn't total internal reflection, then the light that refracts into the second medium bends towards the normal. There can only be total internal reflection.arrow_forwardGeneral Physics II #3 #31arrow_forward
- 8. What is the angle of deviation if a ray of light in water is incident at an angle of 50 degrees and the angle of refraction is 35 degrees? Draw & compute.arrow_forwardAn incident wave of light travels through glass (n = 1.5) to water (n = 1.33) at an angle of 35°. a. What is the angle of reflection and refraction? b. What is the critical angle for this system? c. What is the speed of light in these two materials?arrow_forwardThe critical angle for water-glass interface is 58°. What is the index of refraction for glass? Use 1.33 as the index of refraction of water. a. 0.58 b. 1.35 c. 1.57 d. 2.58arrow_forward
- 12. Material a is water and material b is plexiglass with index of refraction 1.49. The incident light ray makes an angle of 55o with the normal. Obtain the speed of light in material a. A. 2.256 x 108 m/s B. 3.220 x 108 m/s C. 2.088 x 108 m/s D. 3 x 108 m/sarrow_forwardA light ray in the core (n=1.40) of a cylindrical optical fiber is incident on the cladding. A ray is transmitted through the cladding (n= 1.20) and into the air. The emerging ray makes an angle 02 = 6.10° with the outside surface of the cladding. What angle 01 did the ray in the core make with the axis? Airarrow_forwardA light ray traveling in water is incident upon a transparent medium. The angle of incidence is 45.0°, and the transmitted ray is refracted at an angle of 20.0°. What is the speed of light in the transparent medium (in m/s)? X What is the index of refraction of the transparent medium? How is it related to the speed of light in vacuum and the speed of light in the medium? m/sarrow_forward
- Light travels from crown glass (n=1.52) into air (n=1.00). The angle of refraction in air is 60 degrees. What is the angle of incidence in glass? O degrees 0.57 degrees 60 degrees 34.7 degrees 0 000arrow_forwardA beam of light travels from air to liquid. If the angle of incidence is 49.1 degree and angle of refraction is 31.41 degree. The wavelength of light in air is 750 nm. The wavelength of light in the liquid is O a. 531.31 nm O b. 381.63 nm O C.438.35 nm O d. 517.86 nmarrow_forward
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