You want to have an illuminance of 300 lux on Mrs. Pott (under the SPOTLIGHT#1). What is the Luminous Flux (lumen) the lamp need to releases assuming homogeneous distribution of the light in the illuminated circle?
You want to have an illuminance of 300 lux on Mrs. Pott (under the SPOTLIGHT#1). What is the Luminous Flux (lumen) the lamp need to releases assuming homogeneous distribution of the light in the illuminated circle?
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter9: Moments And Products Of Inertia Of Areas
Section: Chapter Questions
Problem 9.22P
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You want to have an illuminance of 300 lux on Mrs. Pott (under the SPOTLIGHT#1). What is the Luminous Flux (lumen) the lamp need to releases assuming homogeneous distribution of the light in the illuminated circle?
![Given the following scene on the stage
Spotlight #1
1 meter diameter
Spotlight #2
2 meters diameter
Both spotlights SPOTLIGHT#1 and SPOTLIGHT#2 are place at 20 meters from the stage. You want
to produce a circle of light of 1meter diameter with the SPOTLIGHT#1and a circle of light of 2
meters diameter with the SPOTLIGHT#2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F21c8745b-94b2-40c3-9322-a5b32ee3871c%2Fe67ce94b-89b0-4eb3-8667-63ce208ed06d%2F1uir5w_processed.png&w=3840&q=75)
Transcribed Image Text:Given the following scene on the stage
Spotlight #1
1 meter diameter
Spotlight #2
2 meters diameter
Both spotlights SPOTLIGHT#1 and SPOTLIGHT#2 are place at 20 meters from the stage. You want
to produce a circle of light of 1meter diameter with the SPOTLIGHT#1and a circle of light of 2
meters diameter with the SPOTLIGHT#2
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