Question: (a) A worker is filling out a form on a table illuminated by a light source directly overhead at a distance of 0.5 meters. The

(a) A worker is filling out a form on a table

(a) A worker is filling out a form on a table illuminated by a light source directly overhead at a distance of 0.5 meters. The light source is providing 360 lux at the surface of the table. The form (background) is white paper having 85% reflectance, and the worker is writing with black ink, which has a reflectance of 10%. The luminance of the form is: O 90 lux O 180 lux O 36 lux O 306 lux 423.5 lux with solution and steps

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