Science

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Across
  1. 1. a little higher frequency than visible light
  2. 3. of Reflection The angle formed by a reflected ray and a perpendicular to the surface at the point of reflection(of a polygon)
  3. 8. A device that generates an intense beam of coherent monochromatic light (or other electromagnetic radiation) by stimulated emission of...
  4. 10. A thin straight bar, esp. of wood or metal.
  5. 11. Spectrum The range of wavelengths or frequencies over which electromagnetic radiation extends
  6. 14. colors Any of a group of colors from which all other colors can be obtained by mixing.
  7. 16. waves Low frequency but long wavelength
  8. 18. Having an outline or surface that curves inward like the interior of a circle or sphere
  9. 19. Used in cafeterias
  10. 20. -rays shot from a small whole
  11. 21. A solid geometric figure whose two end faces are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms.
Down
  1. 2. light all light u can see
  2. 4. rays highest frequency
  3. 5. first layer of the eye
  4. 6. A particle representing a quantum of light or other electromagnetic radiation. A photon carries energy proportional to the radiation...
  5. 7. waves Used in baking
  6. 9. light Polarization (also polarisation) is a property of certain types of waves that describes the orientation of their oscillations. ....
  7. 12. A solid or hollow object that tapers from a circular or roughly circular base to a point.
  8. 13. eyeball is too long
  9. 15. Reflection Total internal reflection is an optical phenomenon that occurs when a ray of light strikes a medium boundary at an angle larger than a...
  10. 17. Having only interior angles measuring less than 180°.