5 Written Questions

1. innermost layer that perceives and transmits light to the optic nerve
2. electromagnetic spectrum; visible light, infared light, etc.
3. curving or bulging inward away from an object
4. an inverted image formed where rays of light meet; see "erect image"
5. high to low energy

5 Matching Questions

1. absorption spectra
2. convex
3. focal length
4. Doppler shift
5. primary colors

1. a the distance from a lens to its focus
2. b curving or bulging outward toward an object
3. c change in apparent frequency
4. d red, yellow, and blue
5. e the electromagnetic spectrum

5 Multiple Choice Questions

1. the ratio of the velocity of light in a vacuum to that in a medium
   1. color reflection
   2. index of refraction
   3. the Law of Reflection
   4. refraction
2. the scattering of light
   1. refraction
   2. deviation
   3. prism
   4. dispersion
3. a solid object that bends light
   1. lens
   2. iris
   3. prism
   4. pupil
4. the speed and direction of a moving object
   1. wavelength
   2. pupil
   3. velocity
   4. retina
5. how many waves pass by a fixed point in one second
   1. velocity
   2. frequency
   3. lens
   4. retina

5 True/False Questions

1. color reflection → the reflecting of colors

   True        False

2. pupil → the adjustable opening in the center of the eye through which light enters

   True        False

3. subtractive colors → primary colors of light are this

   True        False

4. wavelength → the distance between 2 crests or 2 troughs of 2 waves

   True        False

5. optic nerve → the nerve that carries neural impulses from the eye to the brain

   True        False