He wants to light a corridor with four lamps, 10 meters from the other, at a height of 5 meters from the ground, and the intensity of the lighting for the lamp is 200 cd in all directions. Find the illumination at the midway between the second and third lamps?
He wants to light a corridor with four lamps, 10 meters from the other, at a height of 5 meters from the ground, and the intensity of the lighting for the lamp is 200 cd in all directions. Find the illumination at the midway between the second and third lamps?
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Transcribed Image Text:He wants to light a corridor
with four lamps, 10 meters
from the other, at a height of 5
meters from the ground, and
the intensity of the lighting for
the lamp is 200 cd in all
directions. Find the illumination
at the midway between the
second and third lamps?
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