Exam 7: Optics and Wave Effects

The image of a convex mirror is always virtual, ______________, and smaller.

Unlike spherical mirrors, spherical lenses do not have a focal length equal to ______________.

A visual defect wherein a person can see distant objects clearly but not nearby objects is called

A rainbow results from

The angle of incidence of a light wave is

The bending of light because of a speed change as it moves from one medium to another is called

A simple magnifying glass has a focal length of 6.0 cm. An object is placed 4.0 cm from it. Sketch a ray diagram and give the characteristics of the image.

A change in the direction of a wave as a result of its encountering a sharp edge or a slit is called ______________.

The law of reflection applies to

For total internal reflection, light is reflected and none is ______________.

When the Sun is on the horizon, it is actually lower than it appears because of

A particular material has an index of refraction of 1.25. What percent of the speed of light in a vacuum is the speed of light in the material?

Polarizing sunglasses have the transmission axis oriented ______________.

A lens that is thicker at the center than at the edge is

An object is placed 5 cm to the left of a converging spherical lens. The lens has a focal length of f = 15 cm. Where is the image formed and what kind of image is formed?

Polarization involves

A(n) ______________ image is defined as one that cannot be brought to a focus on a screen.

A particular material has an index of refraction of 2.75. What percent of the speed of light in vacuum is the speed of light in the material?

A flashlight beam is seen because of

If we restrict the vibrations of the electric field vector of a wave to one direction, the wave is said to be linearly ______________.