3) In the question above, when a light ray enters glass (n = 1.52), what is the speed of light in the glass? a) 3.0 x 108 m/sec b) 4.61 x 108 m/sec c) 2.69 x 108 m/sec d) 1.97 x 108 m/sec e) 1.51 x 108 m/sec

14) The index of refraction of diamond is n = 2.42. What is the speed of light in diamond? A) 0.41 x 10% m/s B) 3.0 x 10% m/s C) 7.26 x 108 m/s D) 1.24 x 108 m/s E) 2.42 x 108 m/s

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.

Which of the following statements is true:a) Speed of light travelling in a specific medium depends on the properties of that medium.b) Speed of light is the same in any transparent medium.c) Speed of light in air is different than speed of radio waves in air.d) Both (a) and (c) are correct.e) Both (b) and (c) are correct.