What must be the luminous intensity, in candela, of a spot light mounted on a ceiling of a 3-meter floor-to-ceiling high chapel if the illuminance level required is 1200 lux? The angle of inclination of the lamp is 30 degrees and lighting an altar table that is 900mm from the floor. HINT: COMPUTE FOR THE LUMINOUS FLUX FIRST.

What must be the luminous intensity, in candela, of a spot light mounted on a ceiling of a 3-meter floor-to-ceiling high chapel if the illuminance level required is 1200 lux? The angle of inclination of the lamp is 30 degrees and lighting an altar table that is 900mm from the floor. HINT: COMPUTE FOR THE LUMINOUS FLUX FIRST.

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter9: Optics

Section: Chapter Questions

Problem 7Q

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