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Q: Lux is the SI unit of

  • 1
    luminous flux
  • 2
    luminous efficiency
  • 3
    intensity of illumination
  • 4
    luminous intensity
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Answer : 3. "intensity of illumination"
Explanation :

Answer: C) 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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