The mean spherical candle power of a lamp that emits a total flux of l – McqOptions

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1.	The mean spherical candle power of a lamp that emits a total flux of light of 1500 lumen is:
A.	1500 × 4π
B.	1500 × 2π
C.	1500/2π
D.	1500/4π
Answer» E.

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