luminous intensity
  • noun the amount of light emitted by a source in a particular direction
  • Its SI unit is the candela. For a point source, the luminous flux, in lumens, per unit solid angle, in steradians, when measured in a specified direction relative to the emitting source. One lumen per steradian equals a source intensity of 1 candela. Also known as light intensity.
  • synonym light intensity

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