Light Waves

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Across
  1. 3. a wave with a specific pattern that carries information
  2. 4. The science of light properties and behavior
  3. 5. The region where light is obstructed or blocked
  4. 9. Not generated from Digital Information
  5. 10. A unique 3-signal combination of dots and dashes codes for each letter of the alphabet and numbers 0 through 9.
  6. 11. Matter that allows some light to pass through
  7. 12. used to transmit television and radio programs
Down
  1. 1. Used to transmit information from a remote to a television
  2. 2. Generated from digital information
  3. 6. Matter that allows no light to pass through
  4. 7. Matter that allows all light to pass through
  5. 8. Used to transmit information between cellphones or between an internet router and a computer