street lamps of 10 cm diameter and `1.8xx10^(5)cdm^(2)` luminance are suspended at a height of 12 m the distance bewteen them being 40 m Find the illu

Question

street lamps of 10 cm diameter and `1.8xx10^(5)cdm^(2)` luminance are suspended at a height of 12 m the distance bewteen them being 40 m Find the illu

street lamps of 10 cm diameter and `1.8xx10^(5)cdm^(2)` luminance are suspended at a height of 12 m the distance bewteen them being 40 m Find the illuminance under each lamp and mid-way between them.

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - `10.38 lux, 2.7 lux`

4 views Answered 2023-02-05 15:29