transparent material that bends light
What is lens?
sense organ that detects light
What is an eye?
reflection forms a clear image
What is regular reflection?
triangular piece of transparent glass that separates white light into a band of colors
What is a prism?
device that produces a powerful beam of light
What is laser?
image that can be projected onto a screen
What is real image?
Electrical impulses travel along the ______.
What is the Optic Nerve?
reflection that forms a fuzzy image
What is diffuse reflection?
separation of white light into its component colors
What is dispersion?
occurs when light is repeatedly reflected within a given material
What is total internal reflection?
image that cannot be projected onto a screen
What is virtual image?
Controls the amount of light that enters the eye
What is the iris?
What is a plane mirror?
objects absorb all of the light and do not reflect any color
What is black?
use of optical fibers
What is fiber optics?
lens that curves outward
What is convex lens?
What is the cornea?
The angle of incidence is equal to the angle of reflection
What is the Law of Reflection?
The longest wavelength of all the colors of the visible spectrum
What is Red?
cutting, welding, drilling, scanning bar codes, surgery, treating skin, birthmarks, and some cancers
lens that curves inward
What is concave lens?
Converts the image into electrical impulses
What is a retina?
If an incident ray is 45 degrees, the reflected ray will be ______ degrees.
What is 45 degrees?
absorb all the light and do not absorb any of the colors
What is white?
travels in straight lines
What is a beam of laser light?