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If a 72-candela light source is located at a distance of 3 meters from a surface, the illuminance on the surface is

If a 72-candela light source is located at a distance of 3 meters from a surface, the illuminance on the surface is
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If a 72-candela light source is located at a distance of 3 meters from a surface, the illuminance on the surface is

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User Parag
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Penn Foster Students: 8

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User Calvin Ern
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