Physics · Units and Measurements
'ल्यूमेन' (Lumen) निम्नलिखित में से किसकी SI व्युत्पन्न इकाई है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1ज्योति फ्लक्स (Luminous flux)✓
- 2प्रदीप्ति घनत्व (Illuminance)
- 3ज्योति तीव्रता (Luminous intensity)
- 4चमक (Brightness)
सही उत्तर देखें
ज्योति फ्लक्स (Luminous flux)
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