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InterviewSolution
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What Are Foot-candle And Metre-candle? |
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Answer» Foot CANDLE or LUMEN per SQUARE foot is defined as the illumination produced on the inner surface of a hollow sphere of a hollow sphere of radius one foot by a POINT surface at the center of intensity of one candela. Metre-candle or Lux (Lumen/m^2) is defined as the illumination produced on the inner surface of a hollow sphere of radius one meter by a point surface at the center of UNIFORM intensity of one candela. Foot candle or Lumen per square foot is defined as the illumination produced on the inner surface of a hollow sphere of a hollow sphere of radius one foot by a point surface at the center of intensity of one candela. Metre-candle or Lux (Lumen/m^2) is defined as the illumination produced on the inner surface of a hollow sphere of radius one meter by a point surface at the center of uniform intensity of one candela. |
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