Given the following spotlights placed as shown in the diagram. Assume isometric distribution of the light The Area A1 is 3.14 m2, The Lamp #1 has a Luminous flux of 400 lumens, and the Distance D1 is 4 meters. What is the illuminance on the A1 (the Lamp#2 is off) Lamp #1 Lamp #2 Beam Angle (4) D1 Beam Angle (4) D2 A1 A2 Illuminated Surface Diameter A3 Light Fixture Distance-

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Chapter1: Units, Trigonometry. And Vectors
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The Area A1 is 3.14 m2, The Lamp #1 has a Luminous flux 400 lumens, and the Distance D1 is 4 meters.


What is the illuminance on the A1 (the Lamp#2 is off)

Given the following spotlights placed as shown in the diagram. Assume
isometric distribution of the light
The Area A1 is 3.14 m2, The Lamp #1 has a Luminous flux of 400 lumens, and
the Distance D1 is 4 meters.
What is the illuminance on the A1 (the Lamp#2 is off)
Lamp #1
Lamp #2
Beam
Angle (4)
D1
D2
Beam
Angle (4)
A1
A2
Illuminated Surface Diameter
АЗ
Light Fixture Distance-
Transcribed Image Text:Given the following spotlights placed as shown in the diagram. Assume isometric distribution of the light The Area A1 is 3.14 m2, The Lamp #1 has a Luminous flux of 400 lumens, and the Distance D1 is 4 meters. What is the illuminance on the A1 (the Lamp#2 is off) Lamp #1 Lamp #2 Beam Angle (4) D1 D2 Beam Angle (4) A1 A2 Illuminated Surface Diameter АЗ Light Fixture Distance-
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