Question: A supervisor is sitting at her desk illuminated by a 180 candela source 3 feet above it. She is writing with green ink (reflectance=30%) on

A supervisor is sitting at her desk illuminated by a 180 candela source 3 feet above it. She is writing with green ink (reflectance=30%) on a yellow note pad (reflectance=60%). What is the illumination on the note pad? Is that sufficient? If not, what amount of illumination is need? What is the contrast of the writing task? What is the luminance of the notepad?

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a The illumination on the note pad is intensityd 2 18032 20 fc In Table 62 20 fc is ... View full answer

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