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Lumen/watt is the unit of

  • Lumen/watt is the unit of Luminous Efficiency.
  • Luminous efficiency is a measure of how well a light source produces visible light for a given amount of energy input.
  • It is the ratio of the amount of visible light produced (in lumens) to the amount of power consumed (in watts) by the light source.
  • The higher the luminous efficiency, the more efficient the light source is at converting electrical energy into visible light.
  • Luminous efficiency is an important consideration when choosing light sources, as it can affect both the quality and the cost of lighting.