Geometrical OpticsMedium
Question
If the luminous intensity of a unidirectional bulb is 100 candela then total luminous flux emitted from the bulb is :
Options
A.1561 lumen
B.1256 lumen
C.985 lumen
D.961 lumen
Solution
Total luminous flux = 4π × 100 = 1256 lumen
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