Exam 22: Reflection and Refraction of Light

A ray of light travels across a liquid-to-glass interface.If the indices of refraction for the liquid and glass are, respectively, 1.75 and 1.52, what is the critical angle at this interface?

What is the angle of incidence on an air-to-glass boundary if the angle of refraction in the glass (n = 1.52) is 25 $\degree$ ?

A ray of light strikes a thick sheet of glass (n = 1.5) at an angle of 25 $\degree$ with the normal.Find the angle of the ray reflected off the glass surface with respect to the normal.

A light beam is incident upon a still water surface.What is the maximum possible value for the angle of refraction? (n_water = 1.333).

When viewing your image in a hand-held mirror, if you move the mirror away at a speed v, the image appears to:

One phenomenon that demonstrates the particle nature of light is:

An underwater scuba diver sees the sun at an apparent angle of 30.0 $\degree$ from the vertical.How far is the sun above the horizon? (n_water = 1.333)

Which of the following describes what will happen to a light ray incident on an air-to-glass boundary?

A line representing a wave front for a wave should be drawn:

As a monochromatic light ray is transmitted through an air-to-glass boundary, what happens to the wavelength?

When white light disperses as it passes through a prism, which of the following colors moves at the lowest speed in the prism?

If the wavelength of a monochromatic source is 490 nm in vacuum, what is the wavelength from the same source when it passes through a liquid where the speed of light is 2.40 * 10⁸ m/s? (c = 3.00 * 10⁸ m/s)

One phenomenon that demonstrates the wave nature of light is:

Light from a 560-nm monochromatic source is incident upon the surface of fused quartz (n = 1.56) at an angle of 60 $\degree$ .What is the angle of reflection from the surface?

Which of the following describes what will happen to a light ray incident on an air-to-glass boundary at less than the critical angle?

Three materials with n₁ < n₂ < n₃ are arranged in layers of uniform thickness. A light ray in air enters the first layer at an angle of incidence of 30 $\degree$ and the ray eventually exits the third layer at the refracted angle q in air. What is the value of q?

Three flat layers of transparent material are stacked upon one another.The top layer has index of refraction n₁, the middle n₂ and the bottom one n₃.If n₁ > n₂ > n₃, and a ray of light in air strikes the top layer, at which surface given can total internal reflection occur first?

An oil film floats on a water surface.The indices of refraction for water and oil, respectively, are 1.333 and 1.466.If a ray of light is incident on the air-to-oil surface at an angle of 37.0 $\degree$ with the normal, what is the angle of the refracted ray in the water?

Three flat layers of transparent material are stacked upon one another.The top layer has index of refraction n₁, the middle has n₂ and the bottom one has n₃.If n₁ > n₂ > n₃, and if a ray of light strikes the top layer at an angle of incidence , in which layer is the angle of refraction the greatest?

An optical fiber is made of clear plastic with index of refraction n = 1.50.For what angles with the surface will light remain within the plastic "guide"?