Physics · Illumination
एक एलईडी (LED) लैंप की सामान्य ज्योति दक्षता (luminous efficiency) कितनी होती है?
- 110-20 ल्यूमेन/वाट
- 2800-1000 ल्यूमेन/वाट
- 3500-600 ल्यूमेन/वाट
- 480-110 ल्यूमेन/वाट✓
सही उत्तर देखें
80-110 ल्यूमेन/वाट
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