Exam 7: Optics and Wave Effects

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

When an object is inside the focal point of a concave mirror,a(n)______________ image always results.

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

Liquid crystal displays (LCDs)make use of the wave phenomenon called ______________.

The waveform of interfering waves is described by the principle of ______________.

The speed of light in a particular transparent medium is 5/8 the speed of light in a vacuum.What is the index of refraction of the material?

A pencil partially submerged in a glass of water appears broken or offset because of

A change in the direction of a wave because of a change in the velocity of the wave is called ______________.

A lens that is thicker at the center than at the edge is called a(n)______________ lens.

Polarization involves

When light strikes a transparent medium,some light is reflected and some is ______________.

The change in the direction of a wave resulting from its encountering a small slit is known as

The speed of light in diamond is 1.24 × 10⁸m/s.What is the index of refraction of diamond?

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?

______________ waves cannot be polarized.

The least diffraction occurs for

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

A(n)______________ image is defined as one that can be brought to a focus on a screen.

An object is placed at the center of curvature of a concave mirror.The image is