Exam 22: Reflection and Refraction of Light

A light ray passes from air through a thin plastic slab (n = 1.3) with parallel sides.If the ray in air makes an angle of 45 $\degree$ with the normal after leaving the slab, what is the angle of incidence for the ray in air as it impinges upon the other side of the slab?

A beam of light is incident upon a flat piece of glass (n = 1.50) at an angle of incidence of 45 $\degree$ .Part of the beam is transmitted and part is reflected.What is the angle between the reflected and transmitted rays?

A fiber optic cable (n = 1.50) is submerged in water (n = 1.33).What is the critical angle for light to stay inside the cable?

Light in air enters a diamond (n = 2.42) at an angle of incidence of 48.0 $\degree$ .What is the angle of refraction inside the diamond?

In Huygens's construction, all points on a wave front:

A ray of light is incident on a liquid-to-glass interface at an angle of 35 $\degree$ .Indices of refraction for the liquid and glass are, respectively, 1.63 and 1.52.What is the angle of refraction for the ray moving through the glass?

What is the maximum possible arc that can be subtended by a rainbow? (Consider all possible viewing geometries).

A ray of light is incident on the mid-point of a glass prism surface at an angle of 25.0 $\degree$ with the normal.For the glass, n = 1.55, and the prism apex angle is 30.0 $\degree$ .What is the angle of refraction as the ray enters the air on the far side of the prism?

A small underwater pool light is 1 m below the surface of a swimming pool.What is the radius of the circle of light on the surface, from which light emerges from the water? (n_water = 1.333).

A monochromatic beam of light in air has a wavelength of 589 nm in air.It passes through glass (n = 1.52) and then through carbon disulfide (n = 1.63).What is its wavelength in the carbon disulfide?

A certain kind of glass has n_blue = 1.650 for blue light and n_red = 1.610 for red light.If a beam of white light (containing all colors) is incident at an angle of 30.0 $\degree$ , what is the angle between the red and blue light inside the glass?

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 refracted ray within the glass with respect to the normal.

If light from a 560-nm monochromatic source in air is incident upon the surface of fused quartz (n = 1.56) at an angle of 60 $\degree$ , what is the wavelength of the ray refracted within the quartz?

When light from air hits a smooth piece of glass (n = 1.5) with the ray perpendicular to the glass surface, which of the following will occur?

Fiber optics has to do with:

If the speed of light through an unknown liquid is measured at 1.80 * 10⁸ m/s, what is the index of refraction of this liquid? (c = 3.00 * 10⁸ m/s)

Tripling the wavelength of the radiation from a monochromatic source will change the energy content of the individually radiated photons by what factor?

Helium-neon laser light has a wavelength in air of 632.8 nm.What is the energy of a single photon in the beam? (h = 6.626 * 10^-34 J*s and c = 3.00 * 10⁸ m/s).

Before light can undergo total internal reflection when incident on material 2 from material 1, what must be true of the indices of refraction?

Huygens's wave theory requires which of the following with regard to the relative speeds of light in glass and in air?