Class VII

Name of scientist who introduced dispersion of light is
  1. John Dalton
  2. Albert Einstein
  3. Isaac Newton
  4. Martin Charles burgh
When a beam of white light is refracted, something else happens i.e. it spreads into
  1. Five colors
  2. Six colors
  3. Seven colors
  4. Eight colors
Refraction of light is proved by
  1. Law of light
  2. Law of Einstein
  3. Law of Refraction
  4. Law of Thomas
We see yellow color in our eyes because
  1. the cones shine like the dots
  2. the rods shine like the dots
  3. the cones shine alternatively to dots
  4. the rods shine alternatively to dots
A magenta filter would absorb
  1. all colors except red
  2. all colors except magenta
  3. magenta only
  4. magenta and its components
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