General Science - Physics (Basics)
The SI unit of luminous flux is:
The SI unit of luminous flux is:
medium Q7 of 15
Step-by-Step Solution
Step 1: Understand the physical quantity
Luminous flux is the measure of perceived power of light emitted by a source.Step 2: Recall the SI unit
The SI unit of luminous flux is lumen (lm). Candela measures luminous intensity, lux measures illumination, and watt is power.Final Answer:
Lumen → Option BQuick Check:
SI unit of luminous flux = Lumen ✅
Quick Trick: Luminous flux unit = Lumen (candela × steradian).
Common Mistakes:
MISTAKES- Confusing lumen with candela or lux.
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