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The SI unit of luminous intensity is

  • A.Lumen
  • B.Lux
  • C.Candela
  • D.Watt

Answer: C

The SI unit of luminous intensity is the candela.

It is one of the seven base units. The lumen measures luminous flux and the lux illuminance - one lux is one lumen per square metre - while the watt measures radiant power without regard to the eye's sensitivity.

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