Sentence Examples

  • Within the band, the illumination FIG.
  • 2, B), since there is no difference in the illumination and other external conditions, --------
  • As the point P is more and more deeply immersed in the shadow, the illumination continuously decreases, and that without limit.
  • If the slit is of 'constant width and we require the illumination at various points on the screen behind it, we must regard the arc of the curve as of constant length.
  • The only effect of the ruling is to diminish the amplitude in the ratio a: a+d; and, except for the difference in illumination, the appearance of a line of light is the same as if the aperture were perfectly free.