Class VII

A colored film that fits over a lamp or camera to change color of light passing through it is known as
  1. Effector
  2. Film
  3. Filter
  4. Effect
Filters do not
  1. change the light
  2. change the color
  3. change the primary colors
  4. change the secondary colors
A red filter would
  1. allow green and blue to pass
  2. allow red color to pass
  3. allow all colors to pass instead of red
  4. allow red component colors to pass
Scientist who introduced dispersion of light was
  1. French
  2. English
  3. Chinese
  4. Spanish
Light is a form of
  1. heat
  2. power
  3. energy
  4. force
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