Question types

Start with

Question limit

of 39 available terms

Advertisement Upgrade to remove ads
Print test

5 Written questions

5 Matching questions

  1. virtual image
  2. real image
  3. focal length
  4. velocity
  5. lens
  1. a the speed and direction of a moving object
  2. b part of eye that focuses light
  3. c a reflected optical image; see "inverted image"
  4. d an inverted image formed where rays of light meet; see "erect image"
  5. e the distance from a lens to its focus

5 Multiple choice questions

  1. high to low energy
  2. image with opposite orientation from object; see "virtual image"
  3. the ratio of the velocity of light in a vacuum to that in a medium
  4. a solid object that bends light
  5. secondary colors of light are this

5 True/False questions

  1. pupila solid object that bends light


  2. visible spectrumThe range of light energy that people can see


  3. Doppler shiftthe scattering of light


  4. color absorptionthe absorbing of colors


  5. human color sensitivityin the retina, cones can sense color, unlike rods