Exam 22: Reflection and Refraction of Light

Light of wavelength 550 nm in air is found to travel at 1.96 × 10⁸ m/s in a certain liquid. Determine (a) the frequency of the light in the liquid. (b) the wavelength of the light in the liquid.

Fiberscopes are based on the physical phenomena called

A ray of light, which is traveling in a vacuum, is incident on a glass plate (n = ng). For increasing angles of incidence, the angle of refraction

Rainbows are caused by sunlight being

A light ray emerges from the bottom of a 45° glass prism into air, as shown in Figure 22-4. From which direction was the ray incident on the prism?

Fiber optics depends upon the phenomenon of

The angle of incidence can vary between zero and

What is the index of refraction inside a certain transparent material if the critical angle is found to be 48.° (air is outside)?

The angle of incidence

Optical density is directly proportional to

If a transparent material has an index of refraction of 1.67, what is the speed of light in the material?

Which of the following colors undergoes the greatest REFRACTION when passing from air into glass?

Arrange in order of increasing wavelength: blue, green, indigo, orange, red, violet, yellow.

A person looks straight down into a large cube of glass. Three cm below the surface is a bubble. How far below the surface does the bubble appear to the person?

A beam of light (f = 5 × 10¹⁴ Hz) enters a piece of glass (n = 1.5). What is the frequency of the light while it is in the glass?

What is the critical angle for light traveling from crown glass (n = 1.52) into water (n = 1.33)?

A laser beam strikes a plane reflecting surface with an angle of incidence of 37°. What is the angle between the incident ray and the reflected ray?

At what angle must a fish underwater look in order to see a fisherman at the shore? (Note: n for water is 1.33.)

Light of wavelength 550. nm in air is found to travel at 1.96 × 10⁸ m/s in a certain liquid. (a) Determine the index of refraction of the liquid. (b) Determine the frequency of the light in air.

When TOTAL REFLECTION occurs at a surface, the incident angle must be in the substance with the higher