Contains

• parallax

  The apparent displacement of an object as seen from two different points that are not on...

• optical illusion

  An optical phenomenon that results in a false or deceptive visual impression.

• distortion

  An optical phenomenon resulting from the failure of a lens or mirror to produce a good...

• pleochroism

  The phenomenon of different colors appearing when certain crystals are viewed from different...

• diffraction

  When light passes sharp edges or goes through narrow slits the rays are deflected and...

• Tyndall effect

  The phenomenon in which light is scattered by very small particles in its path; it...

• fringe

  One of the light or dark bands produced by the interference and diffraction of light.

• absorption band

  A dark band in the spectrum of white light that has been transmitted through a substance...

• incidence

  The striking of a light beam on a surface; "he measured the angle of incidence of the...

• polarization

  The phenomenon in which waves of light or other radiation are restricted in direction...