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.Luminous flux is expressed in a) Lumen b) Candela c) Weber d) Lue

.Luminous flux is expressed in a) Lumen b) Candela c) Weber d) Lue

Grade:upto college level

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

The answer is lumen

Regards
Vikas TU
14149 Points
one year ago
The lumen is derived from the unit of luminous power, the candela (cd). Thus one lumen is the luminous flux emitted within unit solid angle (one steradian) by a small source having a uniform luminous intensity of one candela, so that 1 lm = 1 cd sr, and the total flux in all directions is 4 π lm.

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