Mathematics · Illumination Calculation
सभी दिशाओं में समान रूप से 1200 lm देने वाला एक लैंप वर्किंग प्लेन (working plane) से 8 m ऊपर लटका हुआ है। लैंप के आधार (foot) से वर्किंग प्लेन पर 6 m दूर स्थित एक बिंदु पर प्रदीप्ति (illumination) की गणना करें।
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12.400 lm/m2
- 21.858 lm/m2
- 30.764 lm/m2✓
- 41.232 lm/m2
सही उत्तर देखें
0.764 lm/m2
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