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  • Question
  • Lux is the SI unit of


  • Options
  • A. luminous flux
  • B. luminous efficiency
  • C. intensity of illumination
  • D. luminous intensity

  • Correct Answer
  • intensity of illumination 

    Explanation

    The lux (lx) is the SI derived unit of illuminance and luminous emittance, measuring luminous flux per unit area. It is equal to one lumen per square meter.

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