Physics Chapter 14.1-14.3 Multiple Choice

A positive sign for magnification (M) signifies that the image is Select one: a. upright and virtual b. inverted and real. c. inverted and virtual. d. upright and real.

a

Even when the sun has passed just below the horizon, we can still see the sun for a few more minutes because the sun's light rays are ____________ by the atmosphere. Select one: a. refracted b. expanded c. reflected d. inverted

a

If light passes from glass into air, the ray will Select one: a. bend away from the normal. b. bend toward the normal. c. bend toward or away from the normal depending on the light's wavelength. d. not bend.

a

If the angle of incidence is greater than the critical angle, the ray is ____________ at the boundary. Select one: a. entirely reflected b. refracted c. partially reflected d. not reflected

a

In order for refraction to occur, all of the following conditions must be met except which one? Select one: a. Light rays strike the medium parallel to the normal. b. Light travels from one transparent medium to another. c. Light crosses the boundary that separates the media. d. Light rays strike the medium at an angle.

a

When a light ray passes from a vacuum into a substance with a large index of refraction, the amount of bending experienced by the ray is Select one: a. large b. difficult to measure c. insignificant d. small

a

Total internal reflection occurs only if the Select one: a. index of refraction of the second medium is greater than one. b. index of refraction of the first medium is greater than the index of refraction of the second medium. c. index of refraction of the first medium is greater than one. d. index of refraction of both media are the same.

b

Various wavelengths of incoming light are bent at different angles when they encounter a refracting medium. What is the name of this phenomenon? Select one: a. Snell's law b. dispersion c. image restructuring d. internal reflection

b

What relationship does the thin lens equation show? Select one: a. object stance and image stance b. object distance and image distance c. object size and image size d. object magnification and image magnification

b

When light moves from a material in which its speed is higher into a material in which its speed is lower, the ray is Select one: a. bent away from the normal. b. bent toward the normal. c. not bent. d. bent toward or away from the normal depending on the light's wavelength.

b

Which of the following factors change as light waves pass from one transparent medium into another? Select one: a. f, v, and λ b. v and λ c. f and λ d. f and v

b

Which of the following is necessary for light to undergo total internal reflection? Select one: a. Light moves from a medium with a lower index of refraction into a medium with a higher index of refraction. b. Light moves from a medium with a higher index of refraction into a medium with a lower index of refraction. c. The angle of incidence is less than the critical angle. d. The internal surface of the medium has a reflective surface like a mirror.

b

A light ray passing through the center of a thin lens and both of its focal points is Select one: a. refracted. b. called the focal ray. c. not refracted. d. not possible.

c

A mirage is the result of Select one: a. the subconscious addition of a reflecting pool of water. b. refraction. c. All of these. d. warmer air near the surface of Earth.

c

All of the following statements about real and virtual images are true except which one? Select one: a. Real images can be projected onto a screen; virtual images cannot. b. Virtual images form at a point from which light rays appear to come but do not actually come. c. Both converging and diverging lenses form real images. d. A real image is formed when light rays intersect.

c

An object is located in front of a converging lens at a distance that is twice the focal length. All of the following descriptions about the image are true except which one? Select one: a. The image is real. b. The image is the same size as the object. c. The image is upright. d. The image is located behind the converging lens at a distance that is twice the focal length.

c

If an incident light ray strikes a transparent medium parallel to the normal, then refraction Select one: a. depends on the speed of the light in that medium. b. is at its maximum. c. does not occur. d. None of these.

c

In which of the following situations is refraction observed? Select one: a. the virtual image of a plane mirror b. polarized light from a car's hood c. light entering a pool of water d. a real image formed by a concave mirror

c

The image formed by a diverging lens is Select one: a. always upright. b. always virtual. c. All of these. d. always smaller.

c

The resulting magnification (M) of an image formed by a converging lens is 3.0. Therefore, the object is_________ that of the image. Select one: a. nine times b. one-ninth c. one-third d. three times

c

When white light passes through a prism, what color is bent most? Select one: a. All colors are bent the same amount. b. green c. violet d. red

c

The index of refraction is the ratio of Select one: a. the wavelength of light versus the frequency of light. b. the wavelength of light versus the speed of light in a vacuum. c. the frequency of light versus the speed of light in a medium. d. the speed of light in a vacuum versus the speed of light in a medium.

d

The size and location of an image formed by a converging lens depends on the Select one: a. location of the observer in relation to the lens. b. location of the image in relation to the lens. c. All of these d. location of the object in relation to the lens.

d

Which of the following colors of light would bend the most when entering a refracting medium? Select one: a. green b. yellow c. red d. blue

d