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From a uniform light source having luminous intensity of 300 candelas, there exists a plane surface 15 m below. The value of illuminance at a point on the plane surface where the luminous flux rays are inclined at an angle of 30 to the surface is
53 lux.
15 lux.
58.45 Kilo lux.
17.32 lux.
15 lux.
Practice and solve "From a uniform light source having luminous intensity of 300 candelas, there exists a plane surface ..." for Electrical - Utilization Of Electrical Energy. The correct answer is Option B: 15 lux.. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Option **(b) **