Illumination angle definition

Illumination angle means the angle between the axis of reference and the straight line connecting the centre of reference to the centre of the source of illumination.
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Illumination angle means the angle between the axis of reference and the straight line connecting the centre of reference to the centre ofthe source of illumination.
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Examples of Illumination angle in a sentence

  • D = Observation distance from and from beyond which the illuminating surface appears to be continuous  = Angle of divergence β = Illumination angle.

  • D = Observation distance from and from beyond which the illuminating surface appears to be continuous α = Angle of divergence β = Illumination angle.

  • D = Observation distance from and from beyond which the illuminating surface appears to be continuous α = Angle of divergence ß = Illumination angle.

Related to Illumination angle

  • Generator means a device that produces electricity.

  • Interconnector means equipment used to link the electricity system of the State to electricity systems outside of the State;

  • Radiation area means any area, accessible to individuals, in which radiation levels could result in an individual receiving a dose equivalent in excess of 0.05 mSv (0.005 rem) in 1 hour at 30 centimeters from the source of radiation or from any surface that the radiation penetrates.