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Q. The SI unit of luminous emittance is :

  • (A) Lux
  • (B) Candela
  • (C) Lumen
  • (D) Lumen second
Correct Answer - Option(A)
Explanation by: Team MCQ Buddy 
The lux (symbol: lx) is the SI unit of illuminance and luminous emittance. It is used in photometry as a measure of the intensity of light, with wavelengths weighted according to the luminosity function, a standardized model of human brightness perception.

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