Class VIII

Band of colored light which make up white light is called
  1. spectrum of light
  2. band of ligh
  3. rainbow
  4. white light colors
Which of the following part of eye controls the amount of light entering the eye by contracting or dilating?
  1. Retina
  2. Cornea
  3. Pupil
  4. Iris
How many images will be formed when two plane mirrors are placed parallel to each other?
  1. two
  2. infinite
  3. one
  4. four
Primary colors of light includes
  1. red
  2. green
  3. blue
  4. all of them
Light Year is related to
  1. Energy
  2. Speed
  3. Distance
  4. Intensity
Time Elapsed

HR : MIN : SEC
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