Which of the following scenarios does NOT result in refraction? a. The light must enter the medium parallel to the normal. b. Both the incident and refracting media must be transparent. C. The light must enter the medium at an angle > 0° with respect to the normal. d. Both substances must have different indices of refraction

Questions 20 through 22 are concerned with the situation sketched as shown, in which a beam of light in the air encounters a transparent block with index of refraction n = 1.53. Some of the light is reflected and some is refracted. What is θ2 ?A. 20°         B. 30°C. 50°         D. 60°

n₂ > 1₁, and finally passes into air. 18. Light starts in a medium of index of refraction n₁, passes into a medium of index 2 A. A B. B C. C D. D E. E n₂>n₁ n. A B C where air E

In order to undergo total internal reflection, a ray of light must travel from a medium with a low n to a medium with a high n at an angle greater than the critical angle. travel from a medium with a high n to a medium with a low n at exactly the critical angle travel from a medium with a high n to a medium with a low n at an angle greater than the critical angle. travel from a medium with a high n to a medium with a low n at an angle less than the critical angle. travel from a medium with a low n to a medium with a high n at an angle less than the critical angle. travel from a medium with a low n to a medium with a high n at exactly the critical angle

1) Light is incident from benzene on an interface with ice. Which of the followingis/are true. Select all that apply. A) the refracted ray bends closer to the surface normal,θ2<θ1 B) the refracted ray bends farther from the surface normal,θ2>θ1 C) the refracted ray is unbent,θ1=θ2 D) the angle of refraction is not knowable from the given information. E) total internal reflection is possible if the angle of incidence is changed, and the critical angle liessomewhere on the intervalθC=[0°,90°] F) total internal reflection is not possible, even if the angle of incidence is changed. The critical angledoesn’t exist. 2) Light is incident from air on an interface with a piece of salt (sodium chloride),making an angle of 12° in air relative to the surface normal at the interface.Which of the following is/are true. Select all that apply. A) the refracted ray bends closer to the surface normal,θ2<θ1 B) the refracted ray bends farther from the surface normal,θ2>θ1 C) the refracted ray…

A straight conductor of length I moves with an acceleration a = 0.1 ms2 at right angles to a magnetic field of uniform strength B = 10 T. The e.m.f. between the ends of the conductor increased from 0 to 5 V during the first 20 s after the beginning of motion. Calculate I and give your answer in SI units.

a.. A laser beam in air is incident on a liquid at an angle of 53◦ with respect to thenormal. The laser beam’s angle in the liquid is 35◦. What is the liquid’s index ofrefraction? b. A 1.0 cm thick layer of water stands on a horizontal slab of glass. A light ray inthe air is incident on the water 60◦from the normal. What is the ray’s directionof travel in the glass?  c.  An object is 30 cm in front of a converging lens with a focal length of 5 cm. Useray tracing to determine the location of the image. Is the image upright or inverted?

34. An incident light ray enters a prism system at 0 degrees to normal. The larger prism has a mirror like surface. What angle from the normal will the light ray exit the system? A. 36.6 degreesB. 16.1 degreesC. 24.6 degreesD. 73.9 degrees

Which of the following occurs when light passes from air into a pool of water?   a)  The light passes into the water with no change to its direction or speed. b)  The light is refracted because light travels slower in air than in water. c)  The light is refracted because of the particle interference at the air–water boundary. d)  The light is refracted because light travels slower in water than in air.

1. A horizontal, parallel-plated slab of glass having a refractive index of 1.52 is in contact with the surface of water in a tank. A ray coming from above in air makes an angle of incidence of 35.0° with the normal to the top surface of the glass. (a) What angle does the ray refracted into the water make with the normal to the surface? (b) What is the dependence of this angle on the refractive index of the glass?